Home / 252,342.32-378,775.92-185,857.52

Finding the Fourth Proportional to 252,342.32, 378,775.92 and 185,857.52

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Solution

The fourth proportional to 252,342.32, 378,775.92 and 185,857.52 is: 278,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,342.32 : 378,775.92 = 185,857.52 : x
  2. Step 2: Convert to fraction form
    252,342.32/378,775.92 = 185,857.52/x
  3. Step 3: Cross multiply
    252,342.32x = 378,775.92 × 185,857.52
  4. Step 4: Simplify right side
    252,342.32x = 70,398,353,126.92
  5. Step 5: Solve for x
    x = 70,398,353,126.92/252,342.32
  6. Step 6: Final answer
    x = 278,979.57

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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.