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Finding the Fourth Proportional to 159,480.15, 239,220.23 and 151,704.15

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Solution

The fourth proportional to 159,480.15, 239,220.23 and 151,704.15 is: 227,556.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,480.15 : 239,220.23 = 151,704.15 : x
  2. Step 2: Convert to fraction form
    159,480.15/239,220.23 = 151,704.15/x
  3. Step 3: Cross multiply
    159,480.15x = 239,220.23 × 151,704.15
  4. Step 4: Simplify right side
    159,480.15x = 36,290,700,896.43
  5. Step 5: Solve for x
    x = 36,290,700,896.43/159,480.15
  6. Step 6: Final answer
    x = 227,556.23

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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.