Home / 252,064.34-347,977.38-170,821.78

Finding the Fourth Proportional to 252,064.34, 347,977.38 and 170,821.78

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Solution

The fourth proportional to 252,064.34, 347,977.38 and 170,821.78 is: 235,821.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,064.34 : 347,977.38 = 170,821.78 : x
  2. Step 2: Convert to fraction form
    252,064.34/347,977.38 = 170,821.78/x
  3. Step 3: Cross multiply
    252,064.34x = 347,977.38 × 170,821.78
  4. Step 4: Simplify right side
    252,064.34x = 59,442,115,221.97
  5. Step 5: Solve for x
    x = 59,442,115,221.97/252,064.34
  6. Step 6: Final answer
    x = 235,821.20

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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.