Home / 276,292.73-381,079.88-190,279.03

Finding the Fourth Proportional to 276,292.73, 381,079.88 and 190,279.03

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Solution

The fourth proportional to 276,292.73, 381,079.88 and 190,279.03 is: 262,444.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,292.73 : 381,079.88 = 190,279.03 : x
  2. Step 2: Convert to fraction form
    276,292.73/381,079.88 = 190,279.03/x
  3. Step 3: Cross multiply
    276,292.73x = 381,079.88 × 190,279.03
  4. Step 4: Simplify right side
    276,292.73x = 72,511,509,918.92
  5. Step 5: Solve for x
    x = 72,511,509,918.92/276,292.73
  6. Step 6: Final answer
    x = 262,444.51

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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.