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Finding the Fourth Proportional to 254,254.77, 381,977.67 and 239,892.11

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Solution

The fourth proportional to 254,254.77, 381,977.67 and 239,892.11 is: 360,400.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,254.77 : 381,977.67 = 239,892.11 : x
  2. Step 2: Convert to fraction form
    254,254.77/381,977.67 = 239,892.11/x
  3. Step 3: Cross multiply
    254,254.77x = 381,977.67 × 239,892.11
  4. Step 4: Simplify right side
    254,254.77x = 91,633,429,229.18
  5. Step 5: Solve for x
    x = 91,633,429,229.18/254,254.77
  6. Step 6: Final answer
    x = 360,400.04

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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.