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Finding the Fourth Proportional to 376,502.48, 564,830.52 and 127,178.96

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Solution

The fourth proportional to 376,502.48, 564,830.52 and 127,178.96 is: 190,794.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,502.48 : 564,830.52 = 127,178.96 : x
  2. Step 2: Convert to fraction form
    376,502.48/564,830.52 = 127,178.96/x
  3. Step 3: Cross multiply
    376,502.48x = 564,830.52 × 127,178.96
  4. Step 4: Simplify right side
    376,502.48x = 71,834,558,109.86
  5. Step 5: Solve for x
    x = 71,834,558,109.86/376,502.48
  6. Step 6: Final answer
    x = 190,794.38

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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.