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Finding the Fourth Proportional to 223,842.82, 308,902.52 and 123,240.82

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Solution

The fourth proportional to 223,842.82, 308,902.52 and 123,240.82 is: 170,072.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,842.82 : 308,902.52 = 123,240.82 : x
  2. Step 2: Convert to fraction form
    223,842.82/308,902.52 = 123,240.82/x
  3. Step 3: Cross multiply
    223,842.82x = 308,902.52 × 123,240.82
  4. Step 4: Simplify right side
    223,842.82x = 38,069,399,864.87
  5. Step 5: Solve for x
    x = 38,069,399,864.87/223,842.82
  6. Step 6: Final answer
    x = 170,072.02

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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.