Home / 435,728.20-653,462.70-169,335.40

Finding the Fourth Proportional to 435,728.20, 653,462.70 and 169,335.40

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Solution

The fourth proportional to 435,728.20, 653,462.70 and 169,335.40 is: 253,952.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,728.20 : 653,462.70 = 169,335.40 : x
  2. Step 2: Convert to fraction form
    435,728.20/653,462.70 = 169,335.40/x
  3. Step 3: Cross multiply
    435,728.20x = 653,462.70 × 169,335.40
  4. Step 4: Simplify right side
    435,728.20x = 110,654,367,689.58
  5. Step 5: Solve for x
    x = 110,654,367,689.58/435,728.20
  6. Step 6: Final answer
    x = 253,952.73

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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.