Home / 331,442.55-457,393.85-188,205.60

Finding the Fourth Proportional to 331,442.55, 457,393.85 and 188,205.60

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Solution

The fourth proportional to 331,442.55, 457,393.85 and 188,205.60 is: 259,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,442.55 : 457,393.85 = 188,205.60 : x
  2. Step 2: Convert to fraction form
    331,442.55/457,393.85 = 188,205.60/x
  3. Step 3: Cross multiply
    331,442.55x = 457,393.85 × 188,205.60
  4. Step 4: Simplify right side
    331,442.55x = 86,084,083,975.56
  5. Step 5: Solve for x
    x = 86,084,083,975.56/331,442.55
  6. Step 6: Final answer
    x = 259,725.51

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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.