Home / 222,790.45-307,470.26-122,207.89

Finding the Fourth Proportional to 222,790.45, 307,470.26 and 122,207.89

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Solution

The fourth proportional to 222,790.45, 307,470.26 and 122,207.89 is: 168,657.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,790.45 : 307,470.26 = 122,207.89 : x
  2. Step 2: Convert to fraction form
    222,790.45/307,470.26 = 122,207.89/x
  3. Step 3: Cross multiply
    222,790.45x = 307,470.26 × 122,207.89
  4. Step 4: Simplify right side
    222,790.45x = 37,575,291,712.35
  5. Step 5: Solve for x
    x = 37,575,291,712.35/222,790.45
  6. Step 6: Final answer
    x = 168,657.55

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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.