Home / 329,170.20-493,878.26-129,629.67

Finding the Fourth Proportional to 329,170.20, 493,878.26 and 129,629.67

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Solution

The fourth proportional to 329,170.20, 493,878.26 and 129,629.67 is: 194,492.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,170.20 : 493,878.26 = 129,629.67 : x
  2. Step 2: Convert to fraction form
    329,170.20/493,878.26 = 129,629.67/x
  3. Step 3: Cross multiply
    329,170.20x = 493,878.26 × 129,629.67
  4. Step 4: Simplify right side
    329,170.20x = 64,021,276,188.05
  5. Step 5: Solve for x
    x = 64,021,276,188.05/329,170.20
  6. Step 6: Final answer
    x = 194,492.93

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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.