Home / 577,220.31-865,958.24-198,132.55

Finding the Fourth Proportional to 577,220.31, 865,958.24 and 198,132.55

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Solution

The fourth proportional to 577,220.31, 865,958.24 and 198,132.55 is: 297,242.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,220.31 : 865,958.24 = 198,132.55 : x
  2. Step 2: Convert to fraction form
    577,220.31/865,958.24 = 198,132.55/x
  3. Step 3: Cross multiply
    577,220.31x = 865,958.24 × 198,132.55
  4. Step 4: Simplify right side
    577,220.31x = 171,574,512,615.15
  5. Step 5: Solve for x
    x = 171,574,512,615.15/577,220.31
  6. Step 6: Final answer
    x = 297,242.68

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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.