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Finding the Fourth Proportional to 577,153.24, 865,729.88 and 156,429.12

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Solution

The fourth proportional to 577,153.24, 865,729.88 and 156,429.12 is: 234,643.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,153.24 : 865,729.88 = 156,429.12 : x
  2. Step 2: Convert to fraction form
    577,153.24/865,729.88 = 156,429.12/x
  3. Step 3: Cross multiply
    577,153.24x = 865,729.88 × 156,429.12
  4. Step 4: Simplify right side
    577,153.24x = 135,425,363,286.11
  5. Step 5: Solve for x
    x = 135,425,363,286.11/577,153.24
  6. Step 6: Final answer
    x = 234,643.69

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Similar ratio
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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.