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Finding the Fourth Proportional to 222,469.55, 333,556.06 and 115,590.86

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Solution

The fourth proportional to 222,469.55, 333,556.06 and 115,590.86 is: 173,309.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,469.55 : 333,556.06 = 115,590.86 : x
  2. Step 2: Convert to fraction form
    222,469.55/333,556.06 = 115,590.86/x
  3. Step 3: Cross multiply
    222,469.55x = 333,556.06 × 115,590.86
  4. Step 4: Simplify right side
    222,469.55x = 38,556,031,833.61
  5. Step 5: Solve for x
    x = 38,556,031,833.61/222,469.55
  6. Step 6: Final answer
    x = 173,309.25

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1.5x scale

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.