Home / 331,377.28-457,284.36-188,118.52

Finding the Fourth Proportional to 331,377.28, 457,284.36 and 188,118.52

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Solution

The fourth proportional to 331,377.28, 457,284.36 and 188,118.52 is: 259,594.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,377.28 : 457,284.36 = 188,118.52 : x
  2. Step 2: Convert to fraction form
    331,377.28/457,284.36 = 188,118.52/x
  3. Step 3: Cross multiply
    331,377.28x = 457,284.36 × 188,118.52
  4. Step 4: Simplify right side
    331,377.28x = 86,023,657,022.35
  5. Step 5: Solve for x
    x = 86,023,657,022.35/331,377.28
  6. Step 6: Final answer
    x = 259,594.31

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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.