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Finding the Fourth Proportional to 376,561.92, 564,397.44 and 165,759.36

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Solution

The fourth proportional to 376,561.92, 564,397.44 and 165,759.36 is: 248,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,561.92 : 564,397.44 = 165,759.36 : x
  2. Step 2: Convert to fraction form
    376,561.92/564,397.44 = 165,759.36/x
  3. Step 3: Cross multiply
    376,561.92x = 564,397.44 × 165,759.36
  4. Step 4: Simplify right side
    376,561.92x = 93,554,158,440.04
  5. Step 5: Solve for x
    x = 93,554,158,440.04/376,561.92
  6. Step 6: Final answer
    x = 248,442.96

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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.