Home / 331,442.28-457,374.60-188,183.52

Finding the Fourth Proportional to 331,442.28, 457,374.60 and 188,183.52

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Solution

The fourth proportional to 331,442.28, 457,374.60 and 188,183.52 is: 259,684.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,442.28 : 457,374.60 = 188,183.52 : x
  2. Step 2: Convert to fraction form
    331,442.28/457,374.60 = 188,183.52/x
  3. Step 3: Cross multiply
    331,442.28x = 457,374.60 × 188,183.52
  4. Step 4: Simplify right side
    331,442.28x = 86,070,362,186.59
  5. Step 5: Solve for x
    x = 86,070,362,186.59/331,442.28
  6. Step 6: Final answer
    x = 259,684.32

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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.