Home / 295,564.20-443,346.30-206,917.80

Finding the Fourth Proportional to 295,564.20, 443,346.30 and 206,917.80

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Solution

The fourth proportional to 295,564.20, 443,346.30 and 206,917.80 is: 310,376.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,564.20 : 443,346.30 = 206,917.80 : x
  2. Step 2: Convert to fraction form
    295,564.20/443,346.30 = 206,917.80/x
  3. Step 3: Cross multiply
    295,564.20x = 443,346.30 × 206,917.80
  4. Step 4: Simplify right side
    295,564.20x = 91,736,241,034.14
  5. Step 5: Solve for x
    x = 91,736,241,034.14/295,564.20
  6. Step 6: Final answer
    x = 310,376.70

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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.