Home / 331,726.59-457,765.43-188,466.75

Finding the Fourth Proportional to 331,726.59, 457,765.43 and 188,466.75

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Solution

The fourth proportional to 331,726.59, 457,765.43 and 188,466.75 is: 260,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,726.59 : 457,765.43 = 188,466.75 : x
  2. Step 2: Convert to fraction form
    331,726.59/457,765.43 = 188,466.75/x
  3. Step 3: Cross multiply
    331,726.59x = 457,765.43 × 188,466.75
  4. Step 4: Simplify right side
    331,726.59x = 86,273,561,912.12
  5. Step 5: Solve for x
    x = 86,273,561,912.12/331,726.59
  6. Step 6: Final answer
    x = 260,074.30

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1.5x scale

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.