Home / 435,862.20-653,793.30-155,278.20

Finding the Fourth Proportional to 435,862.20, 653,793.30 and 155,278.20

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Solution

The fourth proportional to 435,862.20, 653,793.30 and 155,278.20 is: 232,917.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,862.20 : 653,793.30 = 155,278.20 : x
  2. Step 2: Convert to fraction form
    435,862.20/653,793.30 = 155,278.20/x
  3. Step 3: Cross multiply
    435,862.20x = 653,793.30 × 155,278.20
  4. Step 4: Simplify right side
    435,862.20x = 101,519,846,796.06
  5. Step 5: Solve for x
    x = 101,519,846,796.06/435,862.20
  6. Step 6: Final answer
    x = 232,917.30

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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.