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Finding the Fourth Proportional to 329,092.60, 493,586.10 and 118,622.20

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Solution

The fourth proportional to 329,092.60, 493,586.10 and 118,622.20 is: 177,914.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,092.60 : 493,586.10 = 118,622.20 : x
  2. Step 2: Convert to fraction form
    329,092.60/493,586.10 = 118,622.20/x
  3. Step 3: Cross multiply
    329,092.60x = 493,586.10 × 118,622.20
  4. Step 4: Simplify right side
    329,092.60x = 58,550,269,071.42
  5. Step 5: Solve for x
    x = 58,550,269,071.42/329,092.60
  6. Step 6: Final answer
    x = 177,914.27

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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.