Home / 375,188.20-517,759.68-205,422.28

Finding the Fourth Proportional to 375,188.20, 517,759.68 and 205,422.28

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Solution

The fourth proportional to 375,188.20, 517,759.68 and 205,422.28 is: 283,482.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,188.20 : 517,759.68 = 205,422.28 : x
  2. Step 2: Convert to fraction form
    375,188.20/517,759.68 = 205,422.28/x
  3. Step 3: Cross multiply
    375,188.20x = 517,759.68 × 205,422.28
  4. Step 4: Simplify right side
    375,188.20x = 106,359,373,957.67
  5. Step 5: Solve for x
    x = 106,359,373,957.67/375,188.20
  6. Step 6: Final answer
    x = 283,482.73

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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.