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Finding the Fourth Proportional to 266,500.84, 399,707.47 and 95,687.19

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Solution

The fourth proportional to 266,500.84, 399,707.47 and 95,687.19 is: 143,515.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,500.84 : 399,707.47 = 95,687.19 : x
  2. Step 2: Convert to fraction form
    266,500.84/399,707.47 = 95,687.19/x
  3. Step 3: Cross multiply
    266,500.84x = 399,707.47 × 95,687.19
  4. Step 4: Simplify right side
    266,500.84x = 38,246,884,566.50
  5. Step 5: Solve for x
    x = 38,246,884,566.50/266,500.84
  6. Step 6: Final answer
    x = 143,515.06

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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.