Home / 331,285.92-457,277.76-188,141.28

Finding the Fourth Proportional to 331,285.92, 457,277.76 and 188,141.28

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Solution

The fourth proportional to 331,285.92, 457,277.76 and 188,141.28 is: 259,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,285.92 : 457,277.76 = 188,141.28 : x
  2. Step 2: Convert to fraction form
    331,285.92/457,277.76 = 188,141.28/x
  3. Step 3: Cross multiply
    331,285.92x = 457,277.76 × 188,141.28
  4. Step 4: Simplify right side
    331,285.92x = 86,032,823,081.93
  5. Step 5: Solve for x
    x = 86,032,823,081.93/331,285.92
  6. Step 6: Final answer
    x = 259,693.57

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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.