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Finding the Fourth Proportional to 223,928.92, 309,007.68 and 123,326.92

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Solution

The fourth proportional to 223,928.92, 309,007.68 and 123,326.92 is: 170,183.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,928.92 : 309,007.68 = 123,326.92 : x
  2. Step 2: Convert to fraction form
    223,928.92/309,007.68 = 123,326.92/x
  3. Step 3: Cross multiply
    223,928.92x = 309,007.68 × 123,326.92
  4. Step 4: Simplify right side
    223,928.92x = 38,108,965,430.75
  5. Step 5: Solve for x
    x = 38,108,965,430.75/223,928.92
  6. Step 6: Final answer
    x = 170,183.31

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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.