Home / 274,534.38-409,974.57-271,565.55

Finding the Fourth Proportional to 274,534.38, 409,974.57 and 271,565.55

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Solution

The fourth proportional to 274,534.38, 409,974.57 and 271,565.55 is: 405,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,534.38 : 409,974.57 = 271,565.55 : x
  2. Step 2: Convert to fraction form
    274,534.38/409,974.57 = 271,565.55/x
  3. Step 3: Cross multiply
    274,534.38x = 409,974.57 × 271,565.55
  4. Step 4: Simplify right side
    274,534.38x = 111,334,969,588.06
  5. Step 5: Solve for x
    x = 111,334,969,588.06/274,534.38
  6. Step 6: Final answer
    x = 405,541.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.