Home / 495,643.73-743,466.17-135,817.61

Finding the Fourth Proportional to 495,643.73, 743,466.17 and 135,817.61

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Solution

The fourth proportional to 495,643.73, 743,466.17 and 135,817.61 is: 203,726.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,643.73 : 743,466.17 = 135,817.61 : x
  2. Step 2: Convert to fraction form
    495,643.73/743,466.17 = 135,817.61/x
  3. Step 3: Cross multiply
    495,643.73x = 743,466.17 × 135,817.61
  4. Step 4: Simplify right side
    495,643.73x = 100,975,794,947.47
  5. Step 5: Solve for x
    x = 100,975,794,947.47/495,643.73
  6. Step 6: Final answer
    x = 203,726.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.