Home / 276,040.08-381,225.73-245,949.90

Finding the Fourth Proportional to 276,040.08, 381,225.73 and 245,949.90

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Solution

The fourth proportional to 276,040.08, 381,225.73 and 245,949.90 is: 339,669.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,040.08 : 381,225.73 = 245,949.90 : x
  2. Step 2: Convert to fraction form
    276,040.08/381,225.73 = 245,949.90/x
  3. Step 3: Cross multiply
    276,040.08x = 381,225.73 × 245,949.90
  4. Step 4: Simplify right side
    276,040.08x = 93,762,430,170.93
  5. Step 5: Solve for x
    x = 93,762,430,170.93/276,040.08
  6. Step 6: Final answer
    x = 339,669.62

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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.