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Finding the Fourth Proportional to 222,883.84, 332,009.24 and 210,811.36

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Solution

The fourth proportional to 222,883.84, 332,009.24 and 210,811.36 is: 314,025.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,883.84 : 332,009.24 = 210,811.36 : x
  2. Step 2: Convert to fraction form
    222,883.84/332,009.24 = 210,811.36/x
  3. Step 3: Cross multiply
    222,883.84x = 332,009.24 × 210,811.36
  4. Step 4: Simplify right side
    222,883.84x = 69,991,319,416.97
  5. Step 5: Solve for x
    x = 69,991,319,416.97/222,883.84
  6. Step 6: Final answer
    x = 314,025.99

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.