Home / 209,937.29-314,906.17-52,165.74

Finding the Fourth Proportional to 209,937.29, 314,906.17 and 52,165.74

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Solution

The fourth proportional to 209,937.29, 314,906.17 and 52,165.74 is: 78,248.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,937.29 : 314,906.17 = 52,165.74 : x
  2. Step 2: Convert to fraction form
    209,937.29/314,906.17 = 52,165.74/x
  3. Step 3: Cross multiply
    209,937.29x = 314,906.17 × 52,165.74
  4. Step 4: Simplify right side
    209,937.29x = 16,427,313,388.62
  5. Step 5: Solve for x
    x = 16,427,313,388.62/209,937.29
  6. Step 6: Final answer
    x = 78,248.67

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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.