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Finding the Fourth Proportional to 223,712.58, 308,723.41 and 123,110.58

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Solution

The fourth proportional to 223,712.58, 308,723.41 and 123,110.58 is: 169,892.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,712.58 : 308,723.41 = 123,110.58 : x
  2. Step 2: Convert to fraction form
    223,712.58/308,723.41 = 123,110.58/x
  3. Step 3: Cross multiply
    223,712.58x = 308,723.41 × 123,110.58
  4. Step 4: Simplify right side
    223,712.58x = 38,007,117,293.46
  5. Step 5: Solve for x
    x = 38,007,117,293.46/223,712.58
  6. Step 6: Final answer
    x = 169,892.63

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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.