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Finding the Fourth Proportional to 253,800.94, 380,660.10 and 95,991.88

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Solution

The fourth proportional to 253,800.94, 380,660.10 and 95,991.88 is: 143,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,800.94 : 380,660.10 = 95,991.88 : x
  2. Step 2: Convert to fraction form
    253,800.94/380,660.10 = 95,991.88/x
  3. Step 3: Cross multiply
    253,800.94x = 380,660.10 × 95,991.88
  4. Step 4: Simplify right side
    253,800.94x = 36,540,278,639.99
  5. Step 5: Solve for x
    x = 36,540,278,639.99/253,800.94
  6. Step 6: Final answer
    x = 143,972.20

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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.