Home / 435,743.55-653,363.82-169,192.60

Finding the Fourth Proportional to 435,743.55, 653,363.82 and 169,192.60

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Solution

The fourth proportional to 435,743.55, 653,363.82 and 169,192.60 is: 253,691.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,743.55 : 653,363.82 = 169,192.60 : x
  2. Step 2: Convert to fraction form
    435,743.55/653,363.82 = 169,192.60/x
  3. Step 3: Cross multiply
    435,743.55x = 653,363.82 × 169,192.60
  4. Step 4: Simplify right side
    435,743.55x = 110,544,321,818.32
  5. Step 5: Solve for x
    x = 110,544,321,818.32/435,743.55
  6. Step 6: Final answer
    x = 253,691.24

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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.