Home / 323,916.36-447,024.60-178,721.43

Finding the Fourth Proportional to 323,916.36, 447,024.60 and 178,721.43

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Solution

The fourth proportional to 323,916.36, 447,024.60 and 178,721.43 is: 246,646.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,916.36 : 447,024.60 = 178,721.43 : x
  2. Step 2: Convert to fraction form
    323,916.36/447,024.60 = 178,721.43/x
  3. Step 3: Cross multiply
    323,916.36x = 447,024.60 × 178,721.43
  4. Step 4: Simplify right side
    323,916.36x = 79,892,875,757.18
  5. Step 5: Solve for x
    x = 79,892,875,757.18/323,916.36
  6. Step 6: Final answer
    x = 246,646.62

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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.