Home / 338,923.52-467,712-188,021.12

Finding the Fourth Proportional to 338,923.52, 467,712 and 188,021.12

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Solution

The fourth proportional to 338,923.52, 467,712 and 188,021.12 is: 259,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,923.52 : 467,712 = 188,021.12 : x
  2. Step 2: Convert to fraction form
    338,923.52/467,712 = 188,021.12/x
  3. Step 3: Cross multiply
    338,923.52x = 467,712 × 188,021.12
  4. Step 4: Simplify right side
    338,923.52x = 87,939,734,077.44
  5. Step 5: Solve for x
    x = 87,939,734,077.44/338,923.52
  6. Step 6: Final answer
    x = 259,467.78

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1.5x scale

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.