Home / 234,972.20-352,471.89-66,478.42

Finding the Fourth Proportional to 234,972.20, 352,471.89 and 66,478.42

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Solution

The fourth proportional to 234,972.20, 352,471.89 and 66,478.42 is: 99,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,972.20 : 352,471.89 = 66,478.42 : x
  2. Step 2: Convert to fraction form
    234,972.20/352,471.89 = 66,478.42/x
  3. Step 3: Cross multiply
    234,972.20x = 352,471.89 × 66,478.42
  4. Step 4: Simplify right side
    234,972.20x = 23,431,774,341.61
  5. Step 5: Solve for x
    x = 23,431,774,341.61/234,972.20
  6. Step 6: Final answer
    x = 99,721.47

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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.