Home / 330,656.70-455,871.60-238,698.48

Finding the Fourth Proportional to 330,656.70, 455,871.60 and 238,698.48

Calculator

Solution

The fourth proportional to 330,656.70, 455,871.60 and 238,698.48 is: 329,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,656.70 : 455,871.60 = 238,698.48 : x
  2. Step 2: Convert to fraction form
    330,656.70/455,871.60 = 238,698.48/x
  3. Step 3: Cross multiply
    330,656.70x = 455,871.60 × 238,698.48
  4. Step 4: Simplify right side
    330,656.70x = 108,815,857,995.17
  5. Step 5: Solve for x
    x = 108,815,857,995.17/330,656.70
  6. Step 6: Final answer
    x = 329,090.13

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.