Home / 369,388.13-554,082.30-88,905.38

Finding the Fourth Proportional to 369,388.13, 554,082.30 and 88,905.38

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Solution

The fourth proportional to 369,388.13, 554,082.30 and 88,905.38 is: 133,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,388.13 : 554,082.30 = 88,905.38 : x
  2. Step 2: Convert to fraction form
    369,388.13/554,082.30 = 88,905.38/x
  3. Step 3: Cross multiply
    369,388.13x = 554,082.30 × 88,905.38
  4. Step 4: Simplify right side
    369,388.13x = 49,260,897,432.77
  5. Step 5: Solve for x
    x = 49,260,897,432.77/369,388.13
  6. Step 6: Final answer
    x = 133,358.10

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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.