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Finding the Fourth Proportional to 248,880.80, 373,321.20 and 136,517.60

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Solution

The fourth proportional to 248,880.80, 373,321.20 and 136,517.60 is: 204,776.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,880.80 : 373,321.20 = 136,517.60 : x
  2. Step 2: Convert to fraction form
    248,880.80/373,321.20 = 136,517.60/x
  3. Step 3: Cross multiply
    248,880.80x = 373,321.20 × 136,517.60
  4. Step 4: Simplify right side
    248,880.80x = 50,964,914,253.12
  5. Step 5: Solve for x
    x = 50,964,914,253.12/248,880.80
  6. Step 6: Final answer
    x = 204,776.40

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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.