Home / 252,407.20-378,528.83-83,882.24

Finding the Fourth Proportional to 252,407.20, 378,528.83 and 83,882.24

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Solution

The fourth proportional to 252,407.20, 378,528.83 and 83,882.24 is: 125,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,407.20 : 378,528.83 = 83,882.24 : x
  2. Step 2: Convert to fraction form
    252,407.20/378,528.83 = 83,882.24/x
  3. Step 3: Cross multiply
    252,407.20x = 378,528.83 × 83,882.24
  4. Step 4: Simplify right side
    252,407.20x = 31,751,845,745.57
  5. Step 5: Solve for x
    x = 31,751,845,745.57/252,407.20
  6. Step 6: Final answer
    x = 125,796.12

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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.