Home / 312,975.20-469,344.90-113,246.18

Finding the Fourth Proportional to 312,975.20, 469,344.90 and 113,246.18

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Solution

The fourth proportional to 312,975.20, 469,344.90 and 113,246.18 is: 169,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,975.20 : 469,344.90 = 113,246.18 : x
  2. Step 2: Convert to fraction form
    312,975.20/469,344.90 = 113,246.18/x
  3. Step 3: Cross multiply
    312,975.20x = 469,344.90 × 113,246.18
  4. Step 4: Simplify right side
    312,975.20x = 53,151,517,027.48
  5. Step 5: Solve for x
    x = 53,151,517,027.48/312,975.20
  6. Step 6: Final answer
    x = 169,826.61

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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.