Home / 223,268.40-308,023.29-126,449.91

Finding the Fourth Proportional to 223,268.40, 308,023.29 and 126,449.91

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Solution

The fourth proportional to 223,268.40, 308,023.29 and 126,449.91 is: 174,451.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,268.40 : 308,023.29 = 126,449.91 : x
  2. Step 2: Convert to fraction form
    223,268.40/308,023.29 = 126,449.91/x
  3. Step 3: Cross multiply
    223,268.40x = 308,023.29 × 126,449.91
  4. Step 4: Simplify right side
    223,268.40x = 38,949,517,298.40
  5. Step 5: Solve for x
    x = 38,949,517,298.40/223,268.40
  6. Step 6: Final answer
    x = 174,451.54

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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.