Home / 279,198.27-417,740.57-165,407.17

Finding the Fourth Proportional to 279,198.27, 417,740.57 and 165,407.17

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Solution

The fourth proportional to 279,198.27, 417,740.57 and 165,407.17 is: 247,484.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,198.27 : 417,740.57 = 165,407.17 : x
  2. Step 2: Convert to fraction form
    279,198.27/417,740.57 = 165,407.17/x
  3. Step 3: Cross multiply
    279,198.27x = 417,740.57 × 165,407.17
  4. Step 4: Simplify right side
    279,198.27x = 69,097,284,414.48
  5. Step 5: Solve for x
    x = 69,097,284,414.48/279,198.27
  6. Step 6: Final answer
    x = 247,484.65

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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.