Home / 276,291.73-381,078.50-190,278.03

Finding the Fourth Proportional to 276,291.73, 381,078.50 and 190,278.03

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Solution

The fourth proportional to 276,291.73, 381,078.50 and 190,278.03 is: 262,443.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,291.73 : 381,078.50 = 190,278.03 : x
  2. Step 2: Convert to fraction form
    276,291.73/381,078.50 = 190,278.03/x
  3. Step 3: Cross multiply
    276,291.73x = 381,078.50 × 190,278.03
  4. Step 4: Simplify right side
    276,291.73x = 72,510,866,255.36
  5. Step 5: Solve for x
    x = 72,510,866,255.36/276,291.73
  6. Step 6: Final answer
    x = 262,443.13

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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.