Home / 314,945.60-472,279.88-115,214.18

Finding the Fourth Proportional to 314,945.60, 472,279.88 and 115,214.18

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Solution

The fourth proportional to 314,945.60, 472,279.88 and 115,214.18 is: 172,770.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,945.60 : 472,279.88 = 115,214.18 : x
  2. Step 2: Convert to fraction form
    314,945.60/472,279.88 = 115,214.18/x
  3. Step 3: Cross multiply
    314,945.60x = 472,279.88 × 115,214.18
  4. Step 4: Simplify right side
    314,945.60x = 54,413,339,104.70
  5. Step 5: Solve for x
    x = 54,413,339,104.70/314,945.60
  6. Step 6: Final answer
    x = 172,770.60

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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.