Home / 342,234.09-513,311.89-89,538.97

Finding the Fourth Proportional to 342,234.09, 513,311.89 and 89,538.97

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Solution

The fourth proportional to 342,234.09, 513,311.89 and 89,538.97 is: 134,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,234.09 : 513,311.89 = 89,538.97 : x
  2. Step 2: Convert to fraction form
    342,234.09/513,311.89 = 89,538.97/x
  3. Step 3: Cross multiply
    342,234.09x = 513,311.89 × 89,538.97
  4. Step 4: Simplify right side
    342,234.09x = 45,961,417,919.35
  5. Step 5: Solve for x
    x = 45,961,417,919.35/342,234.09
  6. Step 6: Final answer
    x = 134,298.19

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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.