Home / 276,046.22-380,896.29-155,170.73

Finding the Fourth Proportional to 276,046.22, 380,896.29 and 155,170.73

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Solution

The fourth proportional to 276,046.22, 380,896.29 and 155,170.73 is: 214,108.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,046.22 : 380,896.29 = 155,170.73 : x
  2. Step 2: Convert to fraction form
    276,046.22/380,896.29 = 155,170.73/x
  3. Step 3: Cross multiply
    276,046.22x = 380,896.29 × 155,170.73
  4. Step 4: Simplify right side
    276,046.22x = 59,103,955,373.59
  5. Step 5: Solve for x
    x = 59,103,955,373.59/276,046.22
  6. Step 6: Final answer
    x = 214,108.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.