Home / 378,241.12-566,770.48-218,415.20

Finding the Fourth Proportional to 378,241.12, 566,770.48 and 218,415.20

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Solution

The fourth proportional to 378,241.12, 566,770.48 and 218,415.20 is: 327,281.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,241.12 : 566,770.48 = 218,415.20 : x
  2. Step 2: Convert to fraction form
    378,241.12/566,770.48 = 218,415.20/x
  3. Step 3: Cross multiply
    378,241.12x = 566,770.48 × 218,415.20
  4. Step 4: Simplify right side
    378,241.12x = 123,791,287,743.30
  5. Step 5: Solve for x
    x = 123,791,287,743.30/378,241.12
  6. Step 6: Final answer
    x = 327,281.41

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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.