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Finding the Fourth Proportional to 201,453.07, 278,010.48 and 110,811.37

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Solution

The fourth proportional to 201,453.07, 278,010.48 and 110,811.37 is: 152,922.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,453.07 : 278,010.48 = 110,811.37 : x
  2. Step 2: Convert to fraction form
    201,453.07/278,010.48 = 110,811.37/x
  3. Step 3: Cross multiply
    201,453.07x = 278,010.48 × 110,811.37
  4. Step 4: Simplify right side
    201,453.07x = 30,806,722,163.16
  5. Step 5: Solve for x
    x = 30,806,722,163.16/201,453.07
  6. Step 6: Final answer
    x = 152,922.57

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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.