Home / 318,320.85-439,279.29-175,082.88

Finding the Fourth Proportional to 318,320.85, 439,279.29 and 175,082.88

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Solution

The fourth proportional to 318,320.85, 439,279.29 and 175,082.88 is: 241,612.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,320.85 : 439,279.29 = 175,082.88 : x
  2. Step 2: Convert to fraction form
    318,320.85/439,279.29 = 175,082.88/x
  3. Step 3: Cross multiply
    318,320.85x = 439,279.29 × 175,082.88
  4. Step 4: Simplify right side
    318,320.85x = 76,910,283,217.56
  5. Step 5: Solve for x
    x = 76,910,283,217.56/318,320.85
  6. Step 6: Final answer
    x = 241,612.46

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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.