Home / 221,480.40-332,268.48-71,735.76

Finding the Fourth Proportional to 221,480.40, 332,268.48 and 71,735.76

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Solution

The fourth proportional to 221,480.40, 332,268.48 and 71,735.76 is: 107,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,480.40 : 332,268.48 = 71,735.76 : x
  2. Step 2: Convert to fraction form
    221,480.40/332,268.48 = 71,735.76/x
  3. Step 3: Cross multiply
    221,480.40x = 332,268.48 × 71,735.76
  4. Step 4: Simplify right side
    221,480.40x = 23,835,531,936.84
  5. Step 5: Solve for x
    x = 23,835,531,936.84/221,480.40
  6. Step 6: Final answer
    x = 107,619.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.