Home / 495,679.23-743,517.41-140,693.58

Finding the Fourth Proportional to 495,679.23, 743,517.41 and 140,693.58

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Solution

The fourth proportional to 495,679.23, 743,517.41 and 140,693.58 is: 211,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,679.23 : 743,517.41 = 140,693.58 : x
  2. Step 2: Convert to fraction form
    495,679.23/743,517.41 = 140,693.58/x
  3. Step 3: Cross multiply
    495,679.23x = 743,517.41 × 140,693.58
  4. Step 4: Simplify right side
    495,679.23x = 104,608,125,501.76
  5. Step 5: Solve for x
    x = 104,608,125,501.76/495,679.23
  6. Step 6: Final answer
    x = 211,039.96

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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.