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Finding the Fourth Proportional to 327,145.60, 490,718.40 and 102,524.80

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Solution

The fourth proportional to 327,145.60, 490,718.40 and 102,524.80 is: 153,787.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,145.60 : 490,718.40 = 102,524.80 : x
  2. Step 2: Convert to fraction form
    327,145.60/490,718.40 = 102,524.80/x
  3. Step 3: Cross multiply
    327,145.60x = 490,718.40 × 102,524.80
  4. Step 4: Simplify right side
    327,145.60x = 50,310,805,816.32
  5. Step 5: Solve for x
    x = 50,310,805,816.32/327,145.60
  6. Step 6: Final answer
    x = 153,787.20

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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.