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Finding the Fourth Proportional to 230,669.37, 318,326.36 and 130,067.37

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Solution

The fourth proportional to 230,669.37, 318,326.36 and 130,067.37 is: 179,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,669.37 : 318,326.36 = 130,067.37 : x
  2. Step 2: Convert to fraction form
    230,669.37/318,326.36 = 130,067.37/x
  3. Step 3: Cross multiply
    230,669.37x = 318,326.36 × 130,067.37
  4. Step 4: Simplify right side
    230,669.37x = 41,403,871,796.54
  5. Step 5: Solve for x
    x = 41,403,871,796.54/230,669.37
  6. Step 6: Final answer
    x = 179,494.45

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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.