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Finding the Fourth Proportional to 223,724.97, 308,737.19 and 123,122.97

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Solution

The fourth proportional to 223,724.97, 308,737.19 and 123,122.97 is: 169,907.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,724.97 : 308,737.19 = 123,122.97 : x
  2. Step 2: Convert to fraction form
    223,724.97/308,737.19 = 123,122.97/x
  3. Step 3: Cross multiply
    223,724.97x = 308,737.19 × 123,122.97
  4. Step 4: Simplify right side
    223,724.97x = 38,012,640,090.06
  5. Step 5: Solve for x
    x = 38,012,640,090.06/223,724.97
  6. Step 6: Final answer
    x = 169,907.90

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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.