Home / 435,456.09-653,184.20-135,962.33

Finding the Fourth Proportional to 435,456.09, 653,184.20 and 135,962.33

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Solution

The fourth proportional to 435,456.09, 653,184.20 and 135,962.33 is: 203,943.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,456.09 : 653,184.20 = 135,962.33 : x
  2. Step 2: Convert to fraction form
    435,456.09/653,184.20 = 135,962.33/x
  3. Step 3: Cross multiply
    435,456.09x = 653,184.20 × 135,962.33
  4. Step 4: Simplify right side
    435,456.09x = 88,808,441,805.45
  5. Step 5: Solve for x
    x = 88,808,441,805.45/435,456.09
  6. Step 6: Final answer
    x = 203,943.51

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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.