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Finding the Fourth Proportional to 150,090.40, 225,106.80 and 44,912.80

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Solution

The fourth proportional to 150,090.40, 225,106.80 and 44,912.80 is: 67,360.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,090.40 : 225,106.80 = 44,912.80 : x
  2. Step 2: Convert to fraction form
    150,090.40/225,106.80 = 44,912.80/x
  3. Step 3: Cross multiply
    150,090.40x = 225,106.80 × 44,912.80
  4. Step 4: Simplify right side
    150,090.40x = 10,110,176,687.04
  5. Step 5: Solve for x
    x = 10,110,176,687.04/150,090.40
  6. Step 6: Final answer
    x = 67,360.58

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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.