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Finding the Fourth Proportional to 288,456.71, 432,672.51 and 88,797.38

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Solution

The fourth proportional to 288,456.71, 432,672.51 and 88,797.38 is: 133,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,456.71 : 432,672.51 = 88,797.38 : x
  2. Step 2: Convert to fraction form
    288,456.71/432,672.51 = 88,797.38/x
  3. Step 3: Cross multiply
    288,456.71x = 432,672.51 × 88,797.38
  4. Step 4: Simplify right side
    288,456.71x = 38,420,185,286.02
  5. Step 5: Solve for x
    x = 38,420,185,286.02/288,456.71
  6. Step 6: Final answer
    x = 133,192.21

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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.