Home / 285,977.48-394,667.62-165,123.86

Finding the Fourth Proportional to 285,977.48, 394,667.62 and 165,123.86

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Solution

The fourth proportional to 285,977.48, 394,667.62 and 165,123.86 is: 227,881.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,977.48 : 394,667.62 = 165,123.86 : x
  2. Step 2: Convert to fraction form
    285,977.48/394,667.62 = 165,123.86/x
  3. Step 3: Cross multiply
    285,977.48x = 394,667.62 × 165,123.86
  4. Step 4: Simplify right side
    285,977.48x = 65,169,040,831.41
  5. Step 5: Solve for x
    x = 65,169,040,831.41/285,977.48
  6. Step 6: Final answer
    x = 227,881.72

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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.