Home / 442,343-663,514.50-146,855

Finding the Fourth Proportional to 442,343, 663,514.50 and 146,855

Calculator

Solution

The fourth proportional to 442,343, 663,514.50 and 146,855 is: 220,282.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,343 : 663,514.50 = 146,855 : x
  2. Step 2: Convert to fraction form
    442,343/663,514.50 = 146,855/x
  3. Step 3: Cross multiply
    442,343x = 663,514.50 × 146,855
  4. Step 4: Simplify right side
    442,343x = 97,440,421,897.50
  5. Step 5: Solve for x
    x = 97,440,421,897.50/442,343
  6. Step 6: Final answer
    x = 220,282.50

Related Problems

Find fourth proportional to 221,171.50, 331,757.25 and 73,427.50
Half scale
Find fourth proportional to 884,686, 1,327,029 and 293,710
Double scale
Find fourth proportional to 442,344, 663,516 and 146,856
Similar ratio
Find fourth proportional to 663,514.50, 995,271.75 and 220,282.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.