Home / 311,787.63-430,452.83-204,544.04

Finding the Fourth Proportional to 311,787.63, 430,452.83 and 204,544.04

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Solution

The fourth proportional to 311,787.63, 430,452.83 and 204,544.04 is: 282,392.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,787.63 : 430,452.83 = 204,544.04 : x
  2. Step 2: Convert to fraction form
    311,787.63/430,452.83 = 204,544.04/x
  3. Step 3: Cross multiply
    311,787.63x = 430,452.83 × 204,544.04
  4. Step 4: Simplify right side
    311,787.63x = 88,046,559,236.73
  5. Step 5: Solve for x
    x = 88,046,559,236.73/311,787.63
  6. Step 6: Final answer
    x = 282,392.73

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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.