Home / 278,625.38-384,499.62-151,301.88

Finding the Fourth Proportional to 278,625.38, 384,499.62 and 151,301.88

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Solution

The fourth proportional to 278,625.38, 384,499.62 and 151,301.88 is: 208,794.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,625.38 : 384,499.62 = 151,301.88 : x
  2. Step 2: Convert to fraction form
    278,625.38/384,499.62 = 151,301.88/x
  3. Step 3: Cross multiply
    278,625.38x = 384,499.62 × 151,301.88
  4. Step 4: Simplify right side
    278,625.38x = 58,175,515,365.29
  5. Step 5: Solve for x
    x = 58,175,515,365.29/278,625.38
  6. Step 6: Final answer
    x = 208,794.75

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1.5x scale

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.