Home / 276,815.16-382,004.92-149,490.75

Finding the Fourth Proportional to 276,815.16, 382,004.92 and 149,490.75

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Solution

The fourth proportional to 276,815.16, 382,004.92 and 149,490.75 is: 206,297.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,815.16 : 382,004.92 = 149,490.75 : x
  2. Step 2: Convert to fraction form
    276,815.16/382,004.92 = 149,490.75/x
  3. Step 3: Cross multiply
    276,815.16x = 382,004.92 × 149,490.75
  4. Step 4: Simplify right side
    276,815.16x = 57,106,201,994.49
  5. Step 5: Solve for x
    x = 57,106,201,994.49/276,815.16
  6. Step 6: Final answer
    x = 206,297.23

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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.