Home / 199,207.40-298,811.10-80,882.60

Finding the Fourth Proportional to 199,207.40, 298,811.10 and 80,882.60

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Solution

The fourth proportional to 199,207.40, 298,811.10 and 80,882.60 is: 121,323.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,207.40 : 298,811.10 = 80,882.60 : x
  2. Step 2: Convert to fraction form
    199,207.40/298,811.10 = 80,882.60/x
  3. Step 3: Cross multiply
    199,207.40x = 298,811.10 × 80,882.60
  4. Step 4: Simplify right side
    199,207.40x = 24,168,618,676.86
  5. Step 5: Solve for x
    x = 24,168,618,676.86/199,207.40
  6. Step 6: Final answer
    x = 121,323.90

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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.