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Finding the Fourth Proportional to 225,155.24, 310,713.10 and 123,178.85

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Solution

The fourth proportional to 225,155.24, 310,713.10 and 123,178.85 is: 169,986.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,155.24 : 310,713.10 = 123,178.85 : x
  2. Step 2: Convert to fraction form
    225,155.24/310,713.10 = 123,178.85/x
  3. Step 3: Cross multiply
    225,155.24x = 310,713.10 × 123,178.85
  4. Step 4: Simplify right side
    225,155.24x = 38,273,282,337.94
  5. Step 5: Solve for x
    x = 38,273,282,337.94/225,155.24
  6. Step 6: Final answer
    x = 169,986.19

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.