Home / 382,014.32-572,665.24-129,117.92

Finding the Fourth Proportional to 382,014.32, 572,665.24 and 129,117.92

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Solution

The fourth proportional to 382,014.32, 572,665.24 and 129,117.92 is: 193,556.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,014.32 : 572,665.24 = 129,117.92 : x
  2. Step 2: Convert to fraction form
    382,014.32/572,665.24 = 129,117.92/x
  3. Step 3: Cross multiply
    382,014.32x = 572,665.24 × 129,117.92
  4. Step 4: Simplify right side
    382,014.32x = 73,941,344,645.10
  5. Step 5: Solve for x
    x = 73,941,344,645.10/382,014.32
  6. Step 6: Final answer
    x = 193,556.47

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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.