Home / 276,923.36-382,162.16-154,418.56

Finding the Fourth Proportional to 276,923.36, 382,162.16 and 154,418.56

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Solution

The fourth proportional to 276,923.36, 382,162.16 and 154,418.56 is: 213,102.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,923.36 : 382,162.16 = 154,418.56 : x
  2. Step 2: Convert to fraction form
    276,923.36/382,162.16 = 154,418.56/x
  3. Step 3: Cross multiply
    276,923.36x = 382,162.16 × 154,418.56
  4. Step 4: Simplify right side
    276,923.36x = 59,012,930,433.69
  5. Step 5: Solve for x
    x = 59,012,930,433.69/276,923.36
  6. Step 6: Final answer
    x = 213,102.03

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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.