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Finding the Fourth Proportional to 274,520.40, 411,780.60 and 97,227.60

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Solution

The fourth proportional to 274,520.40, 411,780.60 and 97,227.60 is: 145,841.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,520.40 : 411,780.60 = 97,227.60 : x
  2. Step 2: Convert to fraction form
    274,520.40/411,780.60 = 97,227.60/x
  3. Step 3: Cross multiply
    274,520.40x = 411,780.60 × 97,227.60
  4. Step 4: Simplify right side
    274,520.40x = 40,036,439,464.56
  5. Step 5: Solve for x
    x = 40,036,439,464.56/274,520.40
  6. Step 6: Final answer
    x = 145,841.40

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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.