Home / 435,414.33-653,370.21-169,140.18

Finding the Fourth Proportional to 435,414.33, 653,370.21 and 169,140.18

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Solution

The fourth proportional to 435,414.33, 653,370.21 and 169,140.18 is: 253,806.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,414.33 : 653,370.21 = 169,140.18 : x
  2. Step 2: Convert to fraction form
    435,414.33/653,370.21 = 169,140.18/x
  3. Step 3: Cross multiply
    435,414.33x = 653,370.21 × 169,140.18
  4. Step 4: Simplify right side
    435,414.33x = 110,511,154,926.04
  5. Step 5: Solve for x
    x = 110,511,154,926.04/435,414.33
  6. Step 6: Final answer
    x = 253,806.89

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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.