Home / 150,638.40-226,015.20-148,276.80

Finding the Fourth Proportional to 150,638.40, 226,015.20 and 148,276.80

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Solution

The fourth proportional to 150,638.40, 226,015.20 and 148,276.80 is: 222,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,638.40 : 226,015.20 = 148,276.80 : x
  2. Step 2: Convert to fraction form
    150,638.40/226,015.20 = 148,276.80/x
  3. Step 3: Cross multiply
    150,638.40x = 226,015.20 × 148,276.80
  4. Step 4: Simplify right side
    150,638.40x = 33,512,810,607.36
  5. Step 5: Solve for x
    x = 33,512,810,607.36/150,638.40
  6. Step 6: Final answer
    x = 222,471.90

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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.