Home / 321,225.60-443,285.12-177,984.96

Finding the Fourth Proportional to 321,225.60, 443,285.12 and 177,984.96

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Solution

The fourth proportional to 321,225.60, 443,285.12 and 177,984.96 is: 245,615.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,225.60 : 443,285.12 = 177,984.96 : x
  2. Step 2: Convert to fraction form
    321,225.60/443,285.12 = 177,984.96/x
  3. Step 3: Cross multiply
    321,225.60x = 443,285.12 × 177,984.96
  4. Step 4: Simplify right side
    321,225.60x = 78,898,084,351.80
  5. Step 5: Solve for x
    x = 78,898,084,351.80/321,225.60
  6. Step 6: Final answer
    x = 245,615.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.