Home / 278,824.78-417,949.39-110,276.79

Finding the Fourth Proportional to 278,824.78, 417,949.39 and 110,276.79

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Solution

The fourth proportional to 278,824.78, 417,949.39 and 110,276.79 is: 165,301.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,824.78 : 417,949.39 = 110,276.79 : x
  2. Step 2: Convert to fraction form
    278,824.78/417,949.39 = 110,276.79/x
  3. Step 3: Cross multiply
    278,824.78x = 417,949.39 × 110,276.79
  4. Step 4: Simplify right side
    278,824.78x = 46,090,117,111.66
  5. Step 5: Solve for x
    x = 46,090,117,111.66/278,824.78
  6. Step 6: Final answer
    x = 165,301.37

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1.5x scale

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.