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Finding the Fourth Proportional to 243,624.27, 365,475.81 and 75,105.17

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Solution

The fourth proportional to 243,624.27, 365,475.81 and 75,105.17 is: 112,669.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,624.27 : 365,475.81 = 75,105.17 : x
  2. Step 2: Convert to fraction form
    243,624.27/365,475.81 = 75,105.17/x
  3. Step 3: Cross multiply
    243,624.27x = 365,475.81 × 75,105.17
  4. Step 4: Simplify right side
    243,624.27x = 27,449,121,013.56
  5. Step 5: Solve for x
    x = 27,449,121,013.56/243,624.27
  6. Step 6: Final answer
    x = 112,669.90

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1.5x scale

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.