Home / 681,009.51-1,021,159.55-254,194.37

Finding the Fourth Proportional to 681,009.51, 1,021,159.55 and 254,194.37

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Solution

The fourth proportional to 681,009.51, 1,021,159.55 and 254,194.37 is: 381,159.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,009.51 : 1,021,159.55 = 254,194.37 : x
  2. Step 2: Convert to fraction form
    681,009.51/1,021,159.55 = 254,194.37/x
  3. Step 3: Cross multiply
    681,009.51x = 1,021,159.55 × 254,194.37
  4. Step 4: Simplify right side
    681,009.51x = 259,573,002,104.96
  5. Step 5: Solve for x
    x = 259,573,002,104.96/681,009.51
  6. Step 6: Final answer
    x = 381,159.14

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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.