Home / 285,812.78-394,076.83-246,981.23

Finding the Fourth Proportional to 285,812.78, 394,076.83 and 246,981.23

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Solution

The fourth proportional to 285,812.78, 394,076.83 and 246,981.23 is: 340,536.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,812.78 : 394,076.83 = 246,981.23 : x
  2. Step 2: Convert to fraction form
    285,812.78/394,076.83 = 246,981.23/x
  3. Step 3: Cross multiply
    285,812.78x = 394,076.83 × 246,981.23
  4. Step 4: Simplify right side
    285,812.78x = 97,329,579,540.94
  5. Step 5: Solve for x
    x = 97,329,579,540.94/285,812.78
  6. Step 6: Final answer
    x = 340,536.13

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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.