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Finding the Fourth Proportional to 222,036.78, 333,104.37 and 103,643.46

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Solution

The fourth proportional to 222,036.78, 333,104.37 and 103,643.46 is: 155,488.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,036.78 : 333,104.37 = 103,643.46 : x
  2. Step 2: Convert to fraction form
    222,036.78/333,104.37 = 103,643.46/x
  3. Step 3: Cross multiply
    222,036.78x = 333,104.37 × 103,643.46
  4. Step 4: Simplify right side
    222,036.78x = 34,524,089,447.92
  5. Step 5: Solve for x
    x = 34,524,089,447.92/222,036.78
  6. Step 6: Final answer
    x = 155,488.16

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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.