Home / 344,348.03-516,561.33-91,638.96

Finding the Fourth Proportional to 344,348.03, 516,561.33 and 91,638.96

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Solution

The fourth proportional to 344,348.03, 516,561.33 and 91,638.96 is: 137,468.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,348.03 : 516,561.33 = 91,638.96 : x
  2. Step 2: Convert to fraction form
    344,348.03/516,561.33 = 91,638.96/x
  3. Step 3: Cross multiply
    344,348.03x = 516,561.33 × 91,638.96
  4. Step 4: Simplify right side
    344,348.03x = 47,337,143,057.42
  5. Step 5: Solve for x
    x = 47,337,143,057.42/344,348.03
  6. Step 6: Final answer
    x = 137,468.90

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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.