Home / 209,964.60-314,949.30-52,193.40

Finding the Fourth Proportional to 209,964.60, 314,949.30 and 52,193.40

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Solution

The fourth proportional to 209,964.60, 314,949.30 and 52,193.40 is: 78,290.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,964.60 : 314,949.30 = 52,193.40 : x
  2. Step 2: Convert to fraction form
    209,964.60/314,949.30 = 52,193.40/x
  3. Step 3: Cross multiply
    209,964.60x = 314,949.30 × 52,193.40
  4. Step 4: Simplify right side
    209,964.60x = 16,438,274,794.62
  5. Step 5: Solve for x
    x = 16,438,274,794.62/209,964.60
  6. Step 6: Final answer
    x = 78,290.70

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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.