Home / 321,180.56-443,247.72-175,986.60

Finding the Fourth Proportional to 321,180.56, 443,247.72 and 175,986.60

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Solution

The fourth proportional to 321,180.56, 443,247.72 and 175,986.60 is: 242,871.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,180.56 : 443,247.72 = 175,986.60 : x
  2. Step 2: Convert to fraction form
    321,180.56/443,247.72 = 175,986.60/x
  3. Step 3: Cross multiply
    321,180.56x = 443,247.72 × 175,986.60
  4. Step 4: Simplify right side
    321,180.56x = 78,005,659,200.55
  5. Step 5: Solve for x
    x = 78,005,659,200.55/321,180.56
  6. Step 6: Final answer
    x = 242,871.67

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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.