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Finding the Fourth Proportional to 363,916.29, 502,207.83 and 200,578.62

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Solution

The fourth proportional to 363,916.29, 502,207.83 and 200,578.62 is: 276,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,916.29 : 502,207.83 = 200,578.62 : x
  2. Step 2: Convert to fraction form
    363,916.29/502,207.83 = 200,578.62/x
  3. Step 3: Cross multiply
    363,916.29x = 502,207.83 × 200,578.62
  4. Step 4: Simplify right side
    363,916.29x = 100,732,153,494.60
  5. Step 5: Solve for x
    x = 100,732,153,494.60/363,916.29
  6. Step 6: Final answer
    x = 276,800.34

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1.5x scale

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.