Home / 395,256.93-545,433.90-231,890.73

Finding the Fourth Proportional to 395,256.93, 545,433.90 and 231,890.73

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Solution

The fourth proportional to 395,256.93, 545,433.90 and 231,890.73 is: 319,997.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,256.93 : 545,433.90 = 231,890.73 : x
  2. Step 2: Convert to fraction form
    395,256.93/545,433.90 = 231,890.73/x
  3. Step 3: Cross multiply
    395,256.93x = 545,433.90 × 231,890.73
  4. Step 4: Simplify right side
    395,256.93x = 126,481,065,237.75
  5. Step 5: Solve for x
    x = 126,481,065,237.75/395,256.93
  6. Step 6: Final answer
    x = 319,997.08

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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.