Home / 285,981.48-394,673.13-165,127.86

Finding the Fourth Proportional to 285,981.48, 394,673.13 and 165,127.86

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Solution

The fourth proportional to 285,981.48, 394,673.13 and 165,127.86 is: 227,887.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,981.48 : 394,673.13 = 165,127.86 : x
  2. Step 2: Convert to fraction form
    285,981.48/394,673.13 = 165,127.86/x
  3. Step 3: Cross multiply
    285,981.48x = 394,673.13 × 165,127.86
  4. Step 4: Simplify right side
    285,981.48x = 65,171,529,356.40
  5. Step 5: Solve for x
    x = 65,171,529,356.40/285,981.48
  6. Step 6: Final answer
    x = 227,887.24

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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.