Home / 252,031.86-347,650.05-149,988.78

Finding the Fourth Proportional to 252,031.86, 347,650.05 and 149,988.78

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Solution

The fourth proportional to 252,031.86, 347,650.05 and 149,988.78 is: 206,892.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,031.86 : 347,650.05 = 149,988.78 : x
  2. Step 2: Convert to fraction form
    252,031.86/347,650.05 = 149,988.78/x
  3. Step 3: Cross multiply
    252,031.86x = 347,650.05 × 149,988.78
  4. Step 4: Simplify right side
    252,031.86x = 52,143,606,866.44
  5. Step 5: Solve for x
    x = 52,143,606,866.44/252,031.86
  6. Step 6: Final answer
    x = 206,892.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.