Home / 278,704.33-418,054.18-165,635.74

Finding the Fourth Proportional to 278,704.33, 418,054.18 and 165,635.74

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Solution

The fourth proportional to 278,704.33, 418,054.18 and 165,635.74 is: 248,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,704.33 : 418,054.18 = 165,635.74 : x
  2. Step 2: Convert to fraction form
    278,704.33/418,054.18 = 165,635.74/x
  3. Step 3: Cross multiply
    278,704.33x = 418,054.18 × 165,635.74
  4. Step 4: Simplify right side
    278,704.33x = 69,244,715,288.42
  5. Step 5: Solve for x
    x = 69,244,715,288.42/278,704.33
  6. Step 6: Final answer
    x = 248,452.24

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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.