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Finding the Fourth Proportional to 375,073.20, 563,178.42 and 327,659.04

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Solution

The fourth proportional to 375,073.20, 563,178.42 and 327,659.04 is: 491,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,073.20 : 563,178.42 = 327,659.04 : x
  2. Step 2: Convert to fraction form
    375,073.20/563,178.42 = 327,659.04/x
  3. Step 3: Cross multiply
    375,073.20x = 563,178.42 × 327,659.04
  4. Step 4: Simplify right side
    375,073.20x = 184,530,500,445.92
  5. Step 5: Solve for x
    x = 184,530,500,445.92/375,073.20
  6. Step 6: Final answer
    x = 491,985.30

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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.