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Finding the Fourth Proportional to 303,426.60, 454,103.10 and 266,101.80

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Solution

The fourth proportional to 303,426.60, 454,103.10 and 266,101.80 is: 398,243.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,426.60 : 454,103.10 = 266,101.80 : x
  2. Step 2: Convert to fraction form
    303,426.60/454,103.10 = 266,101.80/x
  3. Step 3: Cross multiply
    303,426.60x = 454,103.10 × 266,101.80
  4. Step 4: Simplify right side
    303,426.60x = 120,837,652,295.58
  5. Step 5: Solve for x
    x = 120,837,652,295.58/303,426.60
  6. Step 6: Final answer
    x = 398,243.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.