Home / 663,277.20-995,061.60-213,921.60

Finding the Fourth Proportional to 663,277.20, 995,061.60 and 213,921.60

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Solution

The fourth proportional to 663,277.20, 995,061.60 and 213,921.60 is: 320,929.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,277.20 : 995,061.60 = 213,921.60 : x
  2. Step 2: Convert to fraction form
    663,277.20/995,061.60 = 213,921.60/x
  3. Step 3: Cross multiply
    663,277.20x = 995,061.60 × 213,921.60
  4. Step 4: Simplify right side
    663,277.20x = 212,865,169,570.56
  5. Step 5: Solve for x
    x = 212,865,169,570.56/663,277.20
  6. Step 6: Final answer
    x = 320,929.42

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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.