Home / 343,580.20-515,424.97-166,100.29

Finding the Fourth Proportional to 343,580.20, 515,424.97 and 166,100.29

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Solution

The fourth proportional to 343,580.20, 515,424.97 and 166,100.29 is: 249,176.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,580.20 : 515,424.97 = 166,100.29 : x
  2. Step 2: Convert to fraction form
    343,580.20/515,424.97 = 166,100.29/x
  3. Step 3: Cross multiply
    343,580.20x = 515,424.97 × 166,100.29
  4. Step 4: Simplify right side
    343,580.20x = 85,612,235,909.30
  5. Step 5: Solve for x
    x = 85,612,235,909.30/343,580.20
  6. Step 6: Final answer
    x = 249,176.86

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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.