Home / 494,140.20-681,913.50-267,785.70

Finding the Fourth Proportional to 494,140.20, 681,913.50 and 267,785.70

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Solution

The fourth proportional to 494,140.20, 681,913.50 and 267,785.70 is: 369,544.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,140.20 : 681,913.50 = 267,785.70 : x
  2. Step 2: Convert to fraction form
    494,140.20/681,913.50 = 267,785.70/x
  3. Step 3: Cross multiply
    494,140.20x = 681,913.50 × 267,785.70
  4. Step 4: Simplify right side
    494,140.20x = 182,606,680,527.38
  5. Step 5: Solve for x
    x = 182,606,680,527.38/494,140.20
  6. Step 6: Final answer
    x = 369,544.28

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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.