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Finding the Fourth Proportional to 266,095.28, 399,206.70 and 88,603.89

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Solution

The fourth proportional to 266,095.28, 399,206.70 and 88,603.89 is: 132,927.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,095.28 : 399,206.70 = 88,603.89 : x
  2. Step 2: Convert to fraction form
    266,095.28/399,206.70 = 88,603.89/x
  3. Step 3: Cross multiply
    266,095.28x = 399,206.70 × 88,603.89
  4. Step 4: Simplify right side
    266,095.28x = 35,371,266,534.06
  5. Step 5: Solve for x
    x = 35,371,266,534.06/266,095.28
  6. Step 6: Final answer
    x = 132,927.07

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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.