Home / 311,937.10-465,649.15-274,103.20

Finding the Fourth Proportional to 311,937.10, 465,649.15 and 274,103.20

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Solution

The fourth proportional to 311,937.10, 465,649.15 and 274,103.20 is: 409,171.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,937.10 : 465,649.15 = 274,103.20 : x
  2. Step 2: Convert to fraction form
    311,937.10/465,649.15 = 274,103.20/x
  3. Step 3: Cross multiply
    311,937.10x = 465,649.15 × 274,103.20
  4. Step 4: Simplify right side
    311,937.10x = 127,635,922,092.28
  5. Step 5: Solve for x
    x = 127,635,922,092.28/311,937.10
  6. Step 6: Final answer
    x = 409,171.98

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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.