Home / 210,496.44-290,487.66-115,004.28

Finding the Fourth Proportional to 210,496.44, 290,487.66 and 115,004.28

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Solution

The fourth proportional to 210,496.44, 290,487.66 and 115,004.28 is: 158,707.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,496.44 : 290,487.66 = 115,004.28 : x
  2. Step 2: Convert to fraction form
    210,496.44/290,487.66 = 115,004.28/x
  3. Step 3: Cross multiply
    210,496.44x = 290,487.66 × 115,004.28
  4. Step 4: Simplify right side
    210,496.44x = 33,407,324,187.18
  5. Step 5: Solve for x
    x = 33,407,324,187.18/210,496.44
  6. Step 6: Final answer
    x = 158,707.31

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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.