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Finding the Fourth Proportional to 253,154.94, 379,790.01 and 134,763.90

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Solution

The fourth proportional to 253,154.94, 379,790.01 and 134,763.90 is: 202,176.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,154.94 : 379,790.01 = 134,763.90 : x
  2. Step 2: Convert to fraction form
    253,154.94/379,790.01 = 134,763.90/x
  3. Step 3: Cross multiply
    253,154.94x = 379,790.01 × 134,763.90
  4. Step 4: Simplify right side
    253,154.94x = 51,181,982,928.64
  5. Step 5: Solve for x
    x = 51,181,982,928.64/253,154.94
  6. Step 6: Final answer
    x = 202,176.51

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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.