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Finding the Fourth Proportional to 327,165.75, 451,832.92 and 291,503.29

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Solution

The fourth proportional to 327,165.75, 451,832.92 and 291,503.29 is: 402,581.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,165.75 : 451,832.92 = 291,503.29 : x
  2. Step 2: Convert to fraction form
    327,165.75/451,832.92 = 291,503.29/x
  3. Step 3: Cross multiply
    327,165.75x = 451,832.92 × 291,503.29
  4. Step 4: Simplify right side
    327,165.75x = 131,710,782,710.31
  5. Step 5: Solve for x
    x = 131,710,782,710.31/327,165.75
  6. Step 6: Final answer
    x = 402,581.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.