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Finding the Fourth Proportional to 352,484.38, 486,436.67 and 209,244.97

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Solution

The fourth proportional to 352,484.38, 486,436.67 and 209,244.97 is: 288,762.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,484.38 : 486,436.67 = 209,244.97 : x
  2. Step 2: Convert to fraction form
    352,484.38/486,436.67 = 209,244.97/x
  3. Step 3: Cross multiply
    352,484.38x = 486,436.67 × 209,244.97
  4. Step 4: Simplify right side
    352,484.38x = 101,784,425,374.83
  5. Step 5: Solve for x
    x = 101,784,425,374.83/352,484.38
  6. Step 6: Final answer
    x = 288,762.94

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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.