Home / 331,548.21-457,537.55-188,309.43

Finding the Fourth Proportional to 331,548.21, 457,537.55 and 188,309.43

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Solution

The fourth proportional to 331,548.21, 457,537.55 and 188,309.43 is: 259,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,548.21 : 457,537.55 = 188,309.43 : x
  2. Step 2: Convert to fraction form
    331,548.21/457,537.55 = 188,309.43/x
  3. Step 3: Cross multiply
    331,548.21x = 457,537.55 × 188,309.43
  4. Step 4: Simplify right side
    331,548.21x = 86,158,634,302.55
  5. Step 5: Solve for x
    x = 86,158,634,302.55/331,548.21
  6. Step 6: Final answer
    x = 259,867.59

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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.