Home / 220,587.80-330,748.38-98,986.14

Finding the Fourth Proportional to 220,587.80, 330,748.38 and 98,986.14

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Solution

The fourth proportional to 220,587.80, 330,748.38 and 98,986.14 is: 148,419.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,587.80 : 330,748.38 = 98,986.14 : x
  2. Step 2: Convert to fraction form
    220,587.80/330,748.38 = 98,986.14/x
  3. Step 3: Cross multiply
    220,587.80x = 330,748.38 × 98,986.14
  4. Step 4: Simplify right side
    220,587.80x = 32,739,505,447.45
  5. Step 5: Solve for x
    x = 32,739,505,447.45/220,587.80
  6. Step 6: Final answer
    x = 148,419.39

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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.