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Finding the Fourth Proportional to 182,615.20, 274,127.60 and 141,245.60

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Solution

The fourth proportional to 182,615.20, 274,127.60 and 141,245.60 is: 212,026.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,615.20 : 274,127.60 = 141,245.60 : x
  2. Step 2: Convert to fraction form
    182,615.20/274,127.60 = 141,245.60/x
  3. Step 3: Cross multiply
    182,615.20x = 274,127.60 × 141,245.60
  4. Step 4: Simplify right side
    182,615.20x = 38,719,317,338.56
  5. Step 5: Solve for x
    x = 38,719,317,338.56/182,615.20
  6. Step 6: Final answer
    x = 212,026.80

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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.