Home / 809,200.30-1,213,800.45-248,161.90

Finding the Fourth Proportional to 809,200.30, 1,213,800.45 and 248,161.90

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Solution

The fourth proportional to 809,200.30, 1,213,800.45 and 248,161.90 is: 372,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,200.30 : 1,213,800.45 = 248,161.90 : x
  2. Step 2: Convert to fraction form
    809,200.30/1,213,800.45 = 248,161.90/x
  3. Step 3: Cross multiply
    809,200.30x = 1,213,800.45 × 248,161.90
  4. Step 4: Simplify right side
    809,200.30x = 301,219,025,892.86
  5. Step 5: Solve for x
    x = 301,219,025,892.86/809,200.30
  6. Step 6: Final answer
    x = 372,242.85

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Similar ratio
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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.