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Finding the Fourth Proportional to 150,003.40, 225,005.10 and 133,673.80

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Solution

The fourth proportional to 150,003.40, 225,005.10 and 133,673.80 is: 200,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,003.40 : 225,005.10 = 133,673.80 : x
  2. Step 2: Convert to fraction form
    150,003.40/225,005.10 = 133,673.80/x
  3. Step 3: Cross multiply
    150,003.40x = 225,005.10 × 133,673.80
  4. Step 4: Simplify right side
    150,003.40x = 30,077,286,736.38
  5. Step 5: Solve for x
    x = 30,077,286,736.38/150,003.40
  6. Step 6: Final answer
    x = 200,510.70

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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.