Home / 318,082.82-438,949.37-174,839.78

Finding the Fourth Proportional to 318,082.82, 438,949.37 and 174,839.78

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Solution

The fourth proportional to 318,082.82, 438,949.37 and 174,839.78 is: 241,276.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,082.82 : 438,949.37 = 174,839.78 : x
  2. Step 2: Convert to fraction form
    318,082.82/438,949.37 = 174,839.78/x
  3. Step 3: Cross multiply
    318,082.82x = 438,949.37 × 174,839.78
  4. Step 4: Simplify right side
    318,082.82x = 76,745,810,407.74
  5. Step 5: Solve for x
    x = 76,745,810,407.74/318,082.82
  6. Step 6: Final answer
    x = 241,276.19

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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.