Home / 269,198.32-371,506.20-156,056.56

Finding the Fourth Proportional to 269,198.32, 371,506.20 and 156,056.56

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Solution

The fourth proportional to 269,198.32, 371,506.20 and 156,056.56 is: 215,365.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,198.32 : 371,506.20 = 156,056.56 : x
  2. Step 2: Convert to fraction form
    269,198.32/371,506.20 = 156,056.56/x
  3. Step 3: Cross multiply
    269,198.32x = 371,506.20 × 156,056.56
  4. Step 4: Simplify right side
    269,198.32x = 57,975,979,590.67
  5. Step 5: Solve for x
    x = 57,975,979,590.67/269,198.32
  6. Step 6: Final answer
    x = 215,365.31

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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.