Home / 276,811.02-381,999.19-149,486.60

Finding the Fourth Proportional to 276,811.02, 381,999.19 and 149,486.60

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Solution

The fourth proportional to 276,811.02, 381,999.19 and 149,486.60 is: 206,291.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,811.02 : 381,999.19 = 149,486.60 : x
  2. Step 2: Convert to fraction form
    276,811.02/381,999.19 = 149,486.60/x
  3. Step 3: Cross multiply
    276,811.02x = 381,999.19 × 149,486.60
  4. Step 4: Simplify right side
    276,811.02x = 57,103,760,115.85
  5. Step 5: Solve for x
    x = 57,103,760,115.85/276,811.02
  6. Step 6: Final answer
    x = 206,291.50

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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.