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Finding the Fourth Proportional to 300,144.40, 450,070.80 and 166,883.20

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Solution

The fourth proportional to 300,144.40, 450,070.80 and 166,883.20 is: 250,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,144.40 : 450,070.80 = 166,883.20 : x
  2. Step 2: Convert to fraction form
    300,144.40/450,070.80 = 166,883.20/x
  3. Step 3: Cross multiply
    300,144.40x = 450,070.80 × 166,883.20
  4. Step 4: Simplify right side
    300,144.40x = 75,109,255,330.56
  5. Step 5: Solve for x
    x = 75,109,255,330.56/300,144.40
  6. Step 6: Final answer
    x = 250,243.73

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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.