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Finding the Fourth Proportional to 198,242.77, 273,575.84 and 107,598.87

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Solution

The fourth proportional to 198,242.77, 273,575.84 and 107,598.87 is: 148,486.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,242.77 : 273,575.84 = 107,598.87 : x
  2. Step 2: Convert to fraction form
    198,242.77/273,575.84 = 107,598.87/x
  3. Step 3: Cross multiply
    198,242.77x = 273,575.84 × 107,598.87
  4. Step 4: Simplify right side
    198,242.77x = 29,436,451,243.30
  5. Step 5: Solve for x
    x = 29,436,451,243.30/198,242.77
  6. Step 6: Final answer
    x = 148,486.88

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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.