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Finding the Fourth Proportional to 300,439.68, 450,894.36 and 132,076.32

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Solution

The fourth proportional to 300,439.68, 450,894.36 and 132,076.32 is: 198,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,439.68 : 450,894.36 = 132,076.32 : x
  2. Step 2: Convert to fraction form
    300,439.68/450,894.36 = 132,076.32/x
  3. Step 3: Cross multiply
    300,439.68x = 450,894.36 × 132,076.32
  4. Step 4: Simplify right side
    300,439.68x = 59,552,467,777.56
  5. Step 5: Solve for x
    x = 59,552,467,777.56/300,439.68
  6. Step 6: Final answer
    x = 198,217.72

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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.