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Finding the Fourth Proportional to 225,084.57, 310,614.19 and 123,112.96

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Solution

The fourth proportional to 225,084.57, 310,614.19 and 123,112.96 is: 169,894.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,084.57 : 310,614.19 = 123,112.96 : x
  2. Step 2: Convert to fraction form
    225,084.57/310,614.19 = 123,112.96/x
  3. Step 3: Cross multiply
    225,084.57x = 310,614.19 × 123,112.96
  4. Step 4: Simplify right side
    225,084.57x = 38,240,632,348.90
  5. Step 5: Solve for x
    x = 38,240,632,348.90/225,084.57
  6. Step 6: Final answer
    x = 169,894.51

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1.5x scale

Why These Related Problems?

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