Home / 274,013.20-378,152.52-166,565.60

Finding the Fourth Proportional to 274,013.20, 378,152.52 and 166,565.60

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Solution

The fourth proportional to 274,013.20, 378,152.52 and 166,565.60 is: 229,869.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,013.20 : 378,152.52 = 166,565.60 : x
  2. Step 2: Convert to fraction form
    274,013.20/378,152.52 = 166,565.60/x
  3. Step 3: Cross multiply
    274,013.20x = 378,152.52 × 166,565.60
  4. Step 4: Simplify right side
    274,013.20x = 62,987,201,385.31
  5. Step 5: Solve for x
    x = 62,987,201,385.31/274,013.20
  6. Step 6: Final answer
    x = 229,869.22

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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.