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Finding the Fourth Proportional to 222,368.48, 333,134.19 and 109,917.07

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Solution

The fourth proportional to 222,368.48, 333,134.19 and 109,917.07 is: 164,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,368.48 : 333,134.19 = 109,917.07 : x
  2. Step 2: Convert to fraction form
    222,368.48/333,134.19 = 109,917.07/x
  3. Step 3: Cross multiply
    222,368.48x = 333,134.19 × 109,917.07
  4. Step 4: Simplify right side
    222,368.48x = 36,617,134,081.62
  5. Step 5: Solve for x
    x = 36,617,134,081.62/222,368.48
  6. Step 6: Final answer
    x = 164,668.72

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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.