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Finding the Fourth Proportional to 486,761.16, 730,167.58 and 150,033.08

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Solution

The fourth proportional to 486,761.16, 730,167.58 and 150,033.08 is: 225,057.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,761.16 : 730,167.58 = 150,033.08 : x
  2. Step 2: Convert to fraction form
    486,761.16/730,167.58 = 150,033.08/x
  3. Step 3: Cross multiply
    486,761.16x = 730,167.58 × 150,033.08
  4. Step 4: Simplify right side
    486,761.16x = 109,549,290,943.55
  5. Step 5: Solve for x
    x = 109,549,290,943.55/486,761.16
  6. Step 6: Final answer
    x = 225,057.58

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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.