Home / 342,719.08-513,995.82-132,222.76

Finding the Fourth Proportional to 342,719.08, 513,995.82 and 132,222.76

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Solution

The fourth proportional to 342,719.08, 513,995.82 and 132,222.76 is: 198,302.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,719.08 : 513,995.82 = 132,222.76 : x
  2. Step 2: Convert to fraction form
    342,719.08/513,995.82 = 132,222.76/x
  3. Step 3: Cross multiply
    342,719.08x = 513,995.82 × 132,222.76
  4. Step 4: Simplify right side
    342,719.08x = 67,961,945,948.86
  5. Step 5: Solve for x
    x = 67,961,945,948.86/342,719.08
  6. Step 6: Final answer
    x = 198,302.20

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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.