Home / 253,133.46-379,512.72-153,270.18

Finding the Fourth Proportional to 253,133.46, 379,512.72 and 153,270.18

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Solution

The fourth proportional to 253,133.46, 379,512.72 and 153,270.18 is: 229,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,133.46 : 379,512.72 = 153,270.18 : x
  2. Step 2: Convert to fraction form
    253,133.46/379,512.72 = 153,270.18/x
  3. Step 3: Cross multiply
    253,133.46x = 379,512.72 × 153,270.18
  4. Step 4: Simplify right side
    253,133.46x = 58,167,982,906.69
  5. Step 5: Solve for x
    x = 58,167,982,906.69/253,133.46
  6. Step 6: Final answer
    x = 229,791.76

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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.