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Finding the Fourth Proportional to 223,846.84, 308,908.04 and 123,244.84

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Solution

The fourth proportional to 223,846.84, 308,908.04 and 123,244.84 is: 170,077.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,846.84 : 308,908.04 = 123,244.84 : x
  2. Step 2: Convert to fraction form
    223,846.84/308,908.04 = 123,244.84/x
  3. Step 3: Cross multiply
    223,846.84x = 308,908.04 × 123,244.84
  4. Step 4: Simplify right side
    223,846.84x = 38,071,321,964.51
  5. Step 5: Solve for x
    x = 38,071,321,964.51/223,846.84
  6. Step 6: Final answer
    x = 170,077.55

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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.