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Finding the Fourth Proportional to 274,036.64, 378,218.69 and 159,350.77

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Solution

The fourth proportional to 274,036.64, 378,218.69 and 159,350.77 is: 219,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,036.64 : 378,218.69 = 159,350.77 : x
  2. Step 2: Convert to fraction form
    274,036.64/378,218.69 = 159,350.77/x
  3. Step 3: Cross multiply
    274,036.64x = 378,218.69 × 159,350.77
  4. Step 4: Simplify right side
    274,036.64x = 60,269,438,932.72
  5. Step 5: Solve for x
    x = 60,269,438,932.72/274,036.64
  6. Step 6: Final answer
    x = 219,932.04

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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.