Home / 342,741.28-513,217.68-275,815.84

Finding the Fourth Proportional to 342,741.28, 513,217.68 and 275,815.84

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Solution

The fourth proportional to 342,741.28, 513,217.68 and 275,815.84 is: 413,004.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,741.28 : 513,217.68 = 275,815.84 : x
  2. Step 2: Convert to fraction form
    342,741.28/513,217.68 = 275,815.84/x
  3. Step 3: Cross multiply
    342,741.28x = 513,217.68 × 275,815.84
  4. Step 4: Simplify right side
    342,741.28x = 141,553,565,512.05
  5. Step 5: Solve for x
    x = 141,553,565,512.05/342,741.28
  6. Step 6: Final answer
    x = 413,004.13

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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.