Home / 306,352.30-422,703.60-179,003.28

Finding the Fourth Proportional to 306,352.30, 422,703.60 and 179,003.28

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Solution

The fourth proportional to 306,352.30, 422,703.60 and 179,003.28 is: 246,987.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,352.30 : 422,703.60 = 179,003.28 : x
  2. Step 2: Convert to fraction form
    306,352.30/422,703.60 = 179,003.28/x
  3. Step 3: Cross multiply
    306,352.30x = 422,703.60 × 179,003.28
  4. Step 4: Simplify right side
    306,352.30x = 75,665,330,867.81
  5. Step 5: Solve for x
    x = 75,665,330,867.81/306,352.30
  6. Step 6: Final answer
    x = 246,987.96

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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.