Home / 266,351.20-399,678.28-97,849.88

Finding the Fourth Proportional to 266,351.20, 399,678.28 and 97,849.88

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Solution

The fourth proportional to 266,351.20, 399,678.28 and 97,849.88 is: 146,830.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,351.20 : 399,678.28 = 97,849.88 : x
  2. Step 2: Convert to fraction form
    266,351.20/399,678.28 = 97,849.88/x
  3. Step 3: Cross multiply
    266,351.20x = 399,678.28 × 97,849.88
  4. Step 4: Simplify right side
    266,351.20x = 39,108,471,736.61
  5. Step 5: Solve for x
    x = 39,108,471,736.61/266,351.20
  6. Step 6: Final answer
    x = 146,830.47

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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.