Home / 276,557.22-381,619.76-155,696.31

Finding the Fourth Proportional to 276,557.22, 381,619.76 and 155,696.31

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Solution

The fourth proportional to 276,557.22, 381,619.76 and 155,696.31 is: 214,844.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,557.22 : 381,619.76 = 155,696.31 : x
  2. Step 2: Convert to fraction form
    276,557.22/381,619.76 = 155,696.31/x
  3. Step 3: Cross multiply
    276,557.22x = 381,619.76 × 155,696.31
  4. Step 4: Simplify right side
    276,557.22x = 59,416,787,676.60
  5. Step 5: Solve for x
    x = 59,416,787,676.60/276,557.22
  6. Step 6: Final answer
    x = 214,844.46

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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.