Home / 210,410.36-290,361.81-114,917.43

Finding the Fourth Proportional to 210,410.36, 290,361.81 and 114,917.43

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Solution

The fourth proportional to 210,410.36, 290,361.81 and 114,917.43 is: 158,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,410.36 : 290,361.81 = 114,917.43 : x
  2. Step 2: Convert to fraction form
    210,410.36/290,361.81 = 114,917.43/x
  3. Step 3: Cross multiply
    210,410.36x = 290,361.81 × 114,917.43
  4. Step 4: Simplify right side
    210,410.36x = 33,367,632,975.35
  5. Step 5: Solve for x
    x = 33,367,632,975.35/210,410.36
  6. Step 6: Final answer
    x = 158,583.60

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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.