Home / 209,837.71-314,819.16-197,305.39

Finding the Fourth Proportional to 209,837.71, 314,819.16 and 197,305.39

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Solution

The fourth proportional to 209,837.71, 314,819.16 and 197,305.39 is: 296,016.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,837.71 : 314,819.16 = 197,305.39 : x
  2. Step 2: Convert to fraction form
    209,837.71/314,819.16 = 197,305.39/x
  3. Step 3: Cross multiply
    209,837.71x = 314,819.16 × 197,305.39
  4. Step 4: Simplify right side
    209,837.71x = 62,115,517,143.27
  5. Step 5: Solve for x
    x = 62,115,517,143.27/209,837.71
  6. Step 6: Final answer
    x = 296,016.94

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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.