Home / 330,403.23-495,640.76-105,710.85

Finding the Fourth Proportional to 330,403.23, 495,640.76 and 105,710.85

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Solution

The fourth proportional to 330,403.23, 495,640.76 and 105,710.85 is: 158,577.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,403.23 : 495,640.76 = 105,710.85 : x
  2. Step 2: Convert to fraction form
    330,403.23/495,640.76 = 105,710.85/x
  3. Step 3: Cross multiply
    330,403.23x = 495,640.76 × 105,710.85
  4. Step 4: Simplify right side
    330,403.23x = 52,394,605,505.69
  5. Step 5: Solve for x
    x = 52,394,605,505.69/330,403.23
  6. Step 6: Final answer
    x = 158,577.76

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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.