Home / 312,949.17-469,216.34-113,243.57

Finding the Fourth Proportional to 312,949.17, 469,216.34 and 113,243.57

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Solution

The fourth proportional to 312,949.17, 469,216.34 and 113,243.57 is: 169,790.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,949.17 : 469,216.34 = 113,243.57 : x
  2. Step 2: Convert to fraction form
    312,949.17/469,216.34 = 113,243.57/x
  3. Step 3: Cross multiply
    312,949.17x = 469,216.34 × 113,243.57
  4. Step 4: Simplify right side
    312,949.17x = 53,135,730,531.63
  5. Step 5: Solve for x
    x = 53,135,730,531.63/312,949.17
  6. Step 6: Final answer
    x = 169,790.29

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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.