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Finding the Fourth Proportional to 330,000.60, 494,741.70 and 182,256.60

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Solution

The fourth proportional to 330,000.60, 494,741.70 and 182,256.60 is: 273,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,000.60 : 494,741.70 = 182,256.60 : x
  2. Step 2: Convert to fraction form
    330,000.60/494,741.70 = 182,256.60/x
  3. Step 3: Cross multiply
    330,000.60x = 494,741.70 × 182,256.60
  4. Step 4: Simplify right side
    330,000.60x = 90,169,940,120.22
  5. Step 5: Solve for x
    x = 90,169,940,120.22/330,000.60
  6. Step 6: Final answer
    x = 273,241.75

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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.