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Finding the Fourth Proportional to 365,821.60, 548,732.40 and 327,114.40

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Solution

The fourth proportional to 365,821.60, 548,732.40 and 327,114.40 is: 490,671.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,821.60 : 548,732.40 = 327,114.40 : x
  2. Step 2: Convert to fraction form
    365,821.60/548,732.40 = 327,114.40/x
  3. Step 3: Cross multiply
    365,821.60x = 548,732.40 × 327,114.40
  4. Step 4: Simplify right side
    365,821.60x = 179,498,269,786.56
  5. Step 5: Solve for x
    x = 179,498,269,786.56/365,821.60
  6. Step 6: Final answer
    x = 490,671.60

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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.