Home / 347,902.26-521,489.24-145,614.33

Finding the Fourth Proportional to 347,902.26, 521,489.24 and 145,614.33

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Solution

The fourth proportional to 347,902.26, 521,489.24 and 145,614.33 is: 218,269.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,902.26 : 521,489.24 = 145,614.33 : x
  2. Step 2: Convert to fraction form
    347,902.26/521,489.24 = 145,614.33/x
  3. Step 3: Cross multiply
    347,902.26x = 521,489.24 × 145,614.33
  4. Step 4: Simplify right side
    347,902.26x = 75,936,307,569.48
  5. Step 5: Solve for x
    x = 75,936,307,569.48/347,902.26
  6. Step 6: Final answer
    x = 218,269.08

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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.