Home / 314,944.60-472,278.38-115,213.18

Finding the Fourth Proportional to 314,944.60, 472,278.38 and 115,213.18

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Solution

The fourth proportional to 314,944.60, 472,278.38 and 115,213.18 is: 172,769.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,944.60 : 472,278.38 = 115,213.18 : x
  2. Step 2: Convert to fraction form
    314,944.60/472,278.38 = 115,213.18/x
  3. Step 3: Cross multiply
    314,944.60x = 472,278.38 × 115,213.18
  4. Step 4: Simplify right side
    314,944.60x = 54,412,694,005.05
  5. Step 5: Solve for x
    x = 54,412,694,005.05/314,944.60
  6. Step 6: Final answer
    x = 172,769.10

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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.