Home / 253,738.93-380,489.20-147,153.18

Finding the Fourth Proportional to 253,738.93, 380,489.20 and 147,153.18

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Solution

The fourth proportional to 253,738.93, 380,489.20 and 147,153.18 is: 220,660.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,738.93 : 380,489.20 = 147,153.18 : x
  2. Step 2: Convert to fraction form
    253,738.93/380,489.20 = 147,153.18/x
  3. Step 3: Cross multiply
    253,738.93x = 380,489.20 × 147,153.18
  4. Step 4: Simplify right side
    253,738.93x = 55,990,195,735.66
  5. Step 5: Solve for x
    x = 55,990,195,735.66/253,738.93
  6. Step 6: Final answer
    x = 220,660.64

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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.