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Finding the Fourth Proportional to 305,007.60, 456,474.60 and 267,682.80

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Solution

The fourth proportional to 305,007.60, 456,474.60 and 267,682.80 is: 400,614.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,007.60 : 456,474.60 = 267,682.80 : x
  2. Step 2: Convert to fraction form
    305,007.60/456,474.60 = 267,682.80/x
  3. Step 3: Cross multiply
    305,007.60x = 456,474.60 × 267,682.80
  4. Step 4: Simplify right side
    305,007.60x = 122,190,399,056.88
  5. Step 5: Solve for x
    x = 122,190,399,056.88/305,007.60
  6. Step 6: Final answer
    x = 400,614.28

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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.