Home / 435,654.40-652,563.04-199,195.96

Finding the Fourth Proportional to 435,654.40, 652,563.04 and 199,195.96

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Solution

The fourth proportional to 435,654.40, 652,563.04 and 199,195.96 is: 298,373.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,654.40 : 652,563.04 = 199,195.96 : x
  2. Step 2: Convert to fraction form
    435,654.40/652,563.04 = 199,195.96/x
  3. Step 3: Cross multiply
    435,654.40x = 652,563.04 × 199,195.96
  4. Step 4: Simplify right side
    435,654.40x = 129,987,921,213.32
  5. Step 5: Solve for x
    x = 129,987,921,213.32/435,654.40
  6. Step 6: Final answer
    x = 298,373.94

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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.