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Finding the Fourth Proportional to 266,500.94, 399,587.38 and 88,960.28

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Solution

The fourth proportional to 266,500.94, 399,587.38 and 88,960.28 is: 133,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,500.94 : 399,587.38 = 88,960.28 : x
  2. Step 2: Convert to fraction form
    266,500.94/399,587.38 = 88,960.28/x
  3. Step 3: Cross multiply
    266,500.94x = 399,587.38 × 88,960.28
  4. Step 4: Simplify right side
    266,500.94x = 35,547,402,766.53
  5. Step 5: Solve for x
    x = 35,547,402,766.53/266,500.94
  6. Step 6: Final answer
    x = 133,385.66

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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.