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Finding the Fourth Proportional to 361,452.96, 498,808 and 200,310.66

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Solution

The fourth proportional to 361,452.96, 498,808 and 200,310.66 is: 276,430.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,452.96 : 498,808 = 200,310.66 : x
  2. Step 2: Convert to fraction form
    361,452.96/498,808 = 200,310.66/x
  3. Step 3: Cross multiply
    361,452.96x = 498,808 × 200,310.66
  4. Step 4: Simplify right side
    361,452.96x = 99,916,559,693.28
  5. Step 5: Solve for x
    x = 99,916,559,693.28/361,452.96
  6. Step 6: Final answer
    x = 276,430.33

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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.