Home / 321,917.52-482,867.82-153,556.86

Finding the Fourth Proportional to 321,917.52, 482,867.82 and 153,556.86

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Solution

The fourth proportional to 321,917.52, 482,867.82 and 153,556.86 is: 230,331.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,917.52 : 482,867.82 = 153,556.86 : x
  2. Step 2: Convert to fraction form
    321,917.52/482,867.82 = 153,556.86/x
  3. Step 3: Cross multiply
    321,917.52x = 482,867.82 × 153,556.86
  4. Step 4: Simplify right side
    321,917.52x = 74,147,666,234.25
  5. Step 5: Solve for x
    x = 74,147,666,234.25/321,917.52
  6. Step 6: Final answer
    x = 230,331.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.