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Finding the Fourth Proportional to 242,956.86, 335,280.96 and 135,524.13

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Solution

The fourth proportional to 242,956.86, 335,280.96 and 135,524.13 is: 187,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,956.86 : 335,280.96 = 135,524.13 : x
  2. Step 2: Convert to fraction form
    242,956.86/335,280.96 = 135,524.13/x
  3. Step 3: Cross multiply
    242,956.86x = 335,280.96 × 135,524.13
  4. Step 4: Simplify right side
    242,956.86x = 45,438,660,409.56
  5. Step 5: Solve for x
    x = 45,438,660,409.56/242,956.86
  6. Step 6: Final answer
    x = 187,023.57

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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.