Home / 278,043.68-417,001.56-165,755.60

Finding the Fourth Proportional to 278,043.68, 417,001.56 and 165,755.60

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Solution

The fourth proportional to 278,043.68, 417,001.56 and 165,755.60 is: 248,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,043.68 : 417,001.56 = 165,755.60 : x
  2. Step 2: Convert to fraction form
    278,043.68/417,001.56 = 165,755.60/x
  3. Step 3: Cross multiply
    278,043.68x = 417,001.56 × 165,755.60
  4. Step 4: Simplify right side
    278,043.68x = 69,120,343,778.74
  5. Step 5: Solve for x
    x = 69,120,343,778.74/278,043.68
  6. Step 6: Final answer
    x = 248,595.27

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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.