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Finding the Fourth Proportional to 266,204.08, 399,172.92 and 88,649.20

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Solution

The fourth proportional to 266,204.08, 399,172.92 and 88,649.20 is: 132,929.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,204.08 : 399,172.92 = 88,649.20 : x
  2. Step 2: Convert to fraction form
    266,204.08/399,172.92 = 88,649.20/x
  3. Step 3: Cross multiply
    266,204.08x = 399,172.92 × 88,649.20
  4. Step 4: Simplify right side
    266,204.08x = 35,386,360,019.66
  5. Step 5: Solve for x
    x = 35,386,360,019.66/266,204.08
  6. Step 6: Final answer
    x = 132,929.44

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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.