Home / 220,515.73-330,883.04-87,393.04

Finding the Fourth Proportional to 220,515.73, 330,883.04 and 87,393.04

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Solution

The fourth proportional to 220,515.73, 330,883.04 and 87,393.04 is: 131,132.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,515.73 : 330,883.04 = 87,393.04 : x
  2. Step 2: Convert to fraction form
    220,515.73/330,883.04 = 87,393.04/x
  3. Step 3: Cross multiply
    220,515.73x = 330,883.04 × 87,393.04
  4. Step 4: Simplify right side
    220,515.73x = 28,916,872,986.39
  5. Step 5: Solve for x
    x = 28,916,872,986.39/220,515.73
  6. Step 6: Final answer
    x = 131,132.93

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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.