Home / 384,636.60-576,782.10-147,900.60

Finding the Fourth Proportional to 384,636.60, 576,782.10 and 147,900.60

Calculator

Solution

The fourth proportional to 384,636.60, 576,782.10 and 147,900.60 is: 221,784.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,636.60 : 576,782.10 = 147,900.60 : x
  2. Step 2: Convert to fraction form
    384,636.60/576,782.10 = 147,900.60/x
  3. Step 3: Cross multiply
    384,636.60x = 576,782.10 × 147,900.60
  4. Step 4: Simplify right side
    384,636.60x = 85,306,418,659.26
  5. Step 5: Solve for x
    x = 85,306,418,659.26/384,636.60
  6. Step 6: Final answer
    x = 221,784.45

Related Problems

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.