Home / 339,921.16-469,085.30-189,014.92

Finding the Fourth Proportional to 339,921.16, 469,085.30 and 189,014.92

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Solution

The fourth proportional to 339,921.16, 469,085.30 and 189,014.92 is: 260,837.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,921.16 : 469,085.30 = 189,014.92 : x
  2. Step 2: Convert to fraction form
    339,921.16/469,085.30 = 189,014.92/x
  3. Step 3: Cross multiply
    339,921.16x = 469,085.30 × 189,014.92
  4. Step 4: Simplify right side
    339,921.16x = 88,664,120,452.68
  5. Step 5: Solve for x
    x = 88,664,120,452.68/339,921.16
  6. Step 6: Final answer
    x = 260,837.31

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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.