Home / 306,723.33-423,268.58-177,664.33

Finding the Fourth Proportional to 306,723.33, 423,268.58 and 177,664.33

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Solution

The fourth proportional to 306,723.33, 423,268.58 and 177,664.33 is: 245,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,723.33 : 423,268.58 = 177,664.33 : x
  2. Step 2: Convert to fraction form
    306,723.33/423,268.58 = 177,664.33/x
  3. Step 3: Cross multiply
    306,723.33x = 423,268.58 × 177,664.33
  4. Step 4: Simplify right side
    306,723.33x = 75,199,726,559.41
  5. Step 5: Solve for x
    x = 75,199,726,559.41/306,723.33
  6. Step 6: Final answer
    x = 245,171.20

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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.