Home / 331,347.90-457,273.01-188,121.27

Finding the Fourth Proportional to 331,347.90, 457,273.01 and 188,121.27

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Solution

The fourth proportional to 331,347.90, 457,273.01 and 188,121.27 is: 259,614.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,347.90 : 457,273.01 = 188,121.27 : x
  2. Step 2: Convert to fraction form
    331,347.90/457,273.01 = 188,121.27/x
  3. Step 3: Cross multiply
    331,347.90x = 457,273.01 × 188,121.27
  4. Step 4: Simplify right side
    331,347.90x = 86,022,779,377.92
  5. Step 5: Solve for x
    x = 86,022,779,377.92/331,347.90
  6. Step 6: Final answer
    x = 259,614.68

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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.