Home / 252,215.32-378,434.41-132,243.59

Finding the Fourth Proportional to 252,215.32, 378,434.41 and 132,243.59

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Solution

The fourth proportional to 252,215.32, 378,434.41 and 132,243.59 is: 198,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,215.32 : 378,434.41 = 132,243.59 : x
  2. Step 2: Convert to fraction form
    252,215.32/378,434.41 = 132,243.59/x
  3. Step 3: Cross multiply
    252,215.32x = 378,434.41 × 132,243.59
  4. Step 4: Simplify right side
    252,215.32x = 50,045,524,957.93
  5. Step 5: Solve for x
    x = 50,045,524,957.93/252,215.32
  6. Step 6: Final answer
    x = 198,423.81

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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.