Home / 252,900.45-378,235.26-225,016.20

Finding the Fourth Proportional to 252,900.45, 378,235.26 and 225,016.20

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Solution

The fourth proportional to 252,900.45, 378,235.26 and 225,016.20 is: 336,531.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,900.45 : 378,235.26 = 225,016.20 : x
  2. Step 2: Convert to fraction form
    252,900.45/378,235.26 = 225,016.20/x
  3. Step 3: Cross multiply
    252,900.45x = 378,235.26 × 225,016.20
  4. Step 4: Simplify right side
    252,900.45x = 85,109,060,911.21
  5. Step 5: Solve for x
    x = 85,109,060,911.21/252,900.45
  6. Step 6: Final answer
    x = 336,531.87

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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.