Home / 435,433.20-653,174.12-135,955.12

Finding the Fourth Proportional to 435,433.20, 653,174.12 and 135,955.12

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Solution

The fourth proportional to 435,433.20, 653,174.12 and 135,955.12 is: 203,940.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,433.20 : 653,174.12 = 135,955.12 : x
  2. Step 2: Convert to fraction form
    435,433.20/653,174.12 = 135,955.12/x
  3. Step 3: Cross multiply
    435,433.20x = 653,174.12 × 135,955.12
  4. Step 4: Simplify right side
    435,433.20x = 88,802,365,865.49
  5. Step 5: Solve for x
    x = 88,802,365,865.49/435,433.20
  6. Step 6: Final answer
    x = 203,940.27

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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.