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Finding the Fourth Proportional to 252,500.76, 378,809.46 and 75,003.84

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Solution

The fourth proportional to 252,500.76, 378,809.46 and 75,003.84 is: 112,523.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,500.76 : 378,809.46 = 75,003.84 : x
  2. Step 2: Convert to fraction form
    252,500.76/378,809.46 = 75,003.84/x
  3. Step 3: Cross multiply
    252,500.76x = 378,809.46 × 75,003.84
  4. Step 4: Simplify right side
    252,500.76x = 28,412,164,128.33
  5. Step 5: Solve for x
    x = 28,412,164,128.33/252,500.76
  6. Step 6: Final answer
    x = 112,523.08

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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.