Home / 414,339.31-621,507.20-114,819.03

Finding the Fourth Proportional to 414,339.31, 621,507.20 and 114,819.03

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Solution

The fourth proportional to 414,339.31, 621,507.20 and 114,819.03 is: 172,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,339.31 : 621,507.20 = 114,819.03 : x
  2. Step 2: Convert to fraction form
    414,339.31/621,507.20 = 114,819.03/x
  3. Step 3: Cross multiply
    414,339.31x = 621,507.20 × 114,819.03
  4. Step 4: Simplify right side
    414,339.31x = 71,360,853,842.02
  5. Step 5: Solve for x
    x = 71,360,853,842.02/414,339.31
  6. Step 6: Final answer
    x = 172,228.06

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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.