Home / 376,868.11-520,080-204,787.43

Finding the Fourth Proportional to 376,868.11, 520,080 and 204,787.43

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Solution

The fourth proportional to 376,868.11, 520,080 and 204,787.43 is: 282,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,868.11 : 520,080 = 204,787.43 : x
  2. Step 2: Convert to fraction form
    376,868.11/520,080 = 204,787.43/x
  3. Step 3: Cross multiply
    376,868.11x = 520,080 × 204,787.43
  4. Step 4: Simplify right side
    376,868.11x = 106,505,846,594.40
  5. Step 5: Solve for x
    x = 106,505,846,594.40/376,868.11
  6. Step 6: Final answer
    x = 282,607.74

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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.