Home / 318,401.30-439,397.42-182,432.52

Finding the Fourth Proportional to 318,401.30, 439,397.42 and 182,432.52

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Solution

The fourth proportional to 318,401.30, 439,397.42 and 182,432.52 is: 251,758.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,401.30 : 439,397.42 = 182,432.52 : x
  2. Step 2: Convert to fraction form
    318,401.30/439,397.42 = 182,432.52/x
  3. Step 3: Cross multiply
    318,401.30x = 439,397.42 × 182,432.52
  4. Step 4: Simplify right side
    318,401.30x = 80,160,378,612.10
  5. Step 5: Solve for x
    x = 80,160,378,612.10/318,401.30
  6. Step 6: Final answer
    x = 251,758.96

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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.