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Finding the Fourth Proportional to 376,503.78, 564,608.07 and 136,560.54

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Solution

The fourth proportional to 376,503.78, 564,608.07 and 136,560.54 is: 204,787.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,503.78 : 564,608.07 = 136,560.54 : x
  2. Step 2: Convert to fraction form
    376,503.78/564,608.07 = 136,560.54/x
  3. Step 3: Cross multiply
    376,503.78x = 564,608.07 × 136,560.54
  4. Step 4: Simplify right side
    376,503.78x = 77,103,182,927.56
  5. Step 5: Solve for x
    x = 77,103,182,927.56/376,503.78
  6. Step 6: Final answer
    x = 204,787.27

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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.