Home / 331,442.30-457,393.50-188,205.35

Finding the Fourth Proportional to 331,442.30, 457,393.50 and 188,205.35

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Solution

The fourth proportional to 331,442.30, 457,393.50 and 188,205.35 is: 259,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,442.30 : 457,393.50 = 188,205.35 : x
  2. Step 2: Convert to fraction form
    331,442.30/457,393.50 = 188,205.35/x
  3. Step 3: Cross multiply
    331,442.30x = 457,393.50 × 188,205.35
  4. Step 4: Simplify right side
    331,442.30x = 86,083,901,468.26
  5. Step 5: Solve for x
    x = 86,083,901,468.26/331,442.30
  6. Step 6: Final answer
    x = 259,725.15

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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.