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Finding the Fourth Proportional to 300,264.91, 450,397.46 and 75,627.20

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Solution

The fourth proportional to 300,264.91, 450,397.46 and 75,627.20 is: 113,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,264.91 : 450,397.46 = 75,627.20 : x
  2. Step 2: Convert to fraction form
    300,264.91/450,397.46 = 75,627.20/x
  3. Step 3: Cross multiply
    300,264.91x = 450,397.46 × 75,627.20
  4. Step 4: Simplify right side
    300,264.91x = 34,062,300,101.97
  5. Step 5: Solve for x
    x = 34,062,300,101.97/300,264.91
  6. Step 6: Final answer
    x = 113,440.83

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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.