Home / 209,964.75-314,948.28-52,193.21

Finding the Fourth Proportional to 209,964.75, 314,948.28 and 52,193.21

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Solution

The fourth proportional to 209,964.75, 314,948.28 and 52,193.21 is: 78,290.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,964.75 : 314,948.28 = 52,193.21 : x
  2. Step 2: Convert to fraction form
    209,964.75/314,948.28 = 52,193.21/x
  3. Step 3: Cross multiply
    209,964.75x = 314,948.28 × 52,193.21
  4. Step 4: Simplify right side
    209,964.75x = 16,438,161,717.18
  5. Step 5: Solve for x
    x = 16,438,161,717.18/209,964.75
  6. Step 6: Final answer
    x = 78,290.10

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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.