Home / 318,082.57-438,949.02-174,839.53

Finding the Fourth Proportional to 318,082.57, 438,949.02 and 174,839.53

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Solution

The fourth proportional to 318,082.57, 438,949.02 and 174,839.53 is: 241,275.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,082.57 : 438,949.02 = 174,839.53 : x
  2. Step 2: Convert to fraction form
    318,082.57/438,949.02 = 174,839.53/x
  3. Step 3: Cross multiply
    318,082.57x = 438,949.02 × 174,839.53
  4. Step 4: Simplify right side
    318,082.57x = 76,745,640,350.76
  5. Step 5: Solve for x
    x = 76,745,640,350.76/318,082.57
  6. Step 6: Final answer
    x = 241,275.85

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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.