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Finding the Fourth Proportional to 375,631.32, 563,467.50 and 95,151

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Solution

The fourth proportional to 375,631.32, 563,467.50 and 95,151 is: 142,731.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,631.32 : 563,467.50 = 95,151 : x
  2. Step 2: Convert to fraction form
    375,631.32/563,467.50 = 95,151/x
  3. Step 3: Cross multiply
    375,631.32x = 563,467.50 × 95,151
  4. Step 4: Simplify right side
    375,631.32x = 53,614,496,092.50
  5. Step 5: Solve for x
    x = 53,614,496,092.50/375,631.32
  6. Step 6: Final answer
    x = 142,731.70

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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.