Home / 238,912.19-358,049.79-89,001.53

Finding the Fourth Proportional to 238,912.19, 358,049.79 and 89,001.53

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Solution

The fourth proportional to 238,912.19, 358,049.79 and 89,001.53 is: 133,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,912.19 : 358,049.79 = 89,001.53 : x
  2. Step 2: Convert to fraction form
    238,912.19/358,049.79 = 89,001.53/x
  3. Step 3: Cross multiply
    238,912.19x = 358,049.79 × 89,001.53
  4. Step 4: Simplify right side
    238,912.19x = 31,866,979,126.18
  5. Step 5: Solve for x
    x = 31,866,979,126.18/238,912.19
  6. Step 6: Final answer
    x = 133,383.65

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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.