Home / 307,546.20-461,319.30-188,832.60

Finding the Fourth Proportional to 307,546.20, 461,319.30 and 188,832.60

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Solution

The fourth proportional to 307,546.20, 461,319.30 and 188,832.60 is: 283,248.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,546.20 : 461,319.30 = 188,832.60 : x
  2. Step 2: Convert to fraction form
    307,546.20/461,319.30 = 188,832.60/x
  3. Step 3: Cross multiply
    307,546.20x = 461,319.30 × 188,832.60
  4. Step 4: Simplify right side
    307,546.20x = 87,112,122,849.18
  5. Step 5: Solve for x
    x = 87,112,122,849.18/307,546.20
  6. Step 6: Final answer
    x = 283,248.90

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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.