Home / 301,987.05-416,742.39-166,023.31

Finding the Fourth Proportional to 301,987.05, 416,742.39 and 166,023.31

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Solution

The fourth proportional to 301,987.05, 416,742.39 and 166,023.31 is: 229,112.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,987.05 : 416,742.39 = 166,023.31 : x
  2. Step 2: Convert to fraction form
    301,987.05/416,742.39 = 166,023.31/x
  3. Step 3: Cross multiply
    301,987.05x = 416,742.39 × 166,023.31
  4. Step 4: Simplify right side
    301,987.05x = 69,188,949,963.25
  5. Step 5: Solve for x
    x = 69,188,949,963.25/301,987.05
  6. Step 6: Final answer
    x = 229,112.31

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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.