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Finding the Fourth Proportional to 329,013.50, 493,520.24 and 118,651.43

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Solution

The fourth proportional to 329,013.50, 493,520.24 and 118,651.43 is: 177,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,013.50 : 493,520.24 = 118,651.43 : x
  2. Step 2: Convert to fraction form
    329,013.50/493,520.24 = 118,651.43/x
  3. Step 3: Cross multiply
    329,013.50x = 493,520.24 × 118,651.43
  4. Step 4: Simplify right side
    329,013.50x = 58,556,883,740.37
  5. Step 5: Solve for x
    x = 58,556,883,740.37/329,013.50
  6. Step 6: Final answer
    x = 177,977.15

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Similar ratio
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1.5x scale

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.