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Finding the Fourth Proportional to 388,297.11, 582,207.83 and 151,363

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Solution

The fourth proportional to 388,297.11, 582,207.83 and 151,363 is: 226,951.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,297.11 : 582,207.83 = 151,363 : x
  2. Step 2: Convert to fraction form
    388,297.11/582,207.83 = 151,363/x
  3. Step 3: Cross multiply
    388,297.11x = 582,207.83 × 151,363
  4. Step 4: Simplify right side
    388,297.11x = 88,124,723,772.29
  5. Step 5: Solve for x
    x = 88,124,723,772.29/388,297.11
  6. Step 6: Final answer
    x = 226,951.79

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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.