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Finding the Fourth Proportional to 437,122.32, 655,553.88 and 187,746

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Solution

The fourth proportional to 437,122.32, 655,553.88 and 187,746 is: 281,563.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,122.32 : 655,553.88 = 187,746 : x
  2. Step 2: Convert to fraction form
    437,122.32/655,553.88 = 187,746/x
  3. Step 3: Cross multiply
    437,122.32x = 655,553.88 × 187,746
  4. Step 4: Simplify right side
    437,122.32x = 123,077,618,754.48
  5. Step 5: Solve for x
    x = 123,077,618,754.48/437,122.32
  6. Step 6: Final answer
    x = 281,563.34

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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.