Home / 379,927.62-569,892.10-155,287.86

Finding the Fourth Proportional to 379,927.62, 569,892.10 and 155,287.86

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Solution

The fourth proportional to 379,927.62, 569,892.10 and 155,287.86 is: 232,932.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,927.62 : 569,892.10 = 155,287.86 : x
  2. Step 2: Convert to fraction form
    379,927.62/569,892.10 = 155,287.86/x
  3. Step 3: Cross multiply
    379,927.62x = 569,892.10 × 155,287.86
  4. Step 4: Simplify right side
    379,927.62x = 88,497,324,639.91
  5. Step 5: Solve for x
    x = 88,497,324,639.91/379,927.62
  6. Step 6: Final answer
    x = 232,932.06

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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.