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Finding the Fourth Proportional to 149,990.70, 225,018.45 and 44,820.30

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Solution

The fourth proportional to 149,990.70, 225,018.45 and 44,820.30 is: 67,240.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,990.70 : 225,018.45 = 44,820.30 : x
  2. Step 2: Convert to fraction form
    149,990.70/225,018.45 = 44,820.30/x
  3. Step 3: Cross multiply
    149,990.70x = 225,018.45 × 44,820.30
  4. Step 4: Simplify right side
    149,990.70x = 10,085,394,434.54
  5. Step 5: Solve for x
    x = 10,085,394,434.54/149,990.70
  6. Step 6: Final answer
    x = 67,240.13

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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.