Home / 340,285.44-469,585.92-189,379.20

Finding the Fourth Proportional to 340,285.44, 469,585.92 and 189,379.20

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Solution

The fourth proportional to 340,285.44, 469,585.92 and 189,379.20 is: 261,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,285.44 : 469,585.92 = 189,379.20 : x
  2. Step 2: Convert to fraction form
    340,285.44/469,585.92 = 189,379.20/x
  3. Step 3: Cross multiply
    340,285.44x = 469,585.92 × 189,379.20
  4. Step 4: Simplify right side
    340,285.44x = 88,929,805,860.86
  5. Step 5: Solve for x
    x = 88,929,805,860.86/340,285.44
  6. Step 6: Final answer
    x = 261,338.85

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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.