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Finding the Fourth Proportional to 302,873.40, 454,310.10 and 298,936.80

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Solution

The fourth proportional to 302,873.40, 454,310.10 and 298,936.80 is: 448,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,873.40 : 454,310.10 = 298,936.80 : x
  2. Step 2: Convert to fraction form
    302,873.40/454,310.10 = 298,936.80/x
  3. Step 3: Cross multiply
    302,873.40x = 454,310.10 × 298,936.80
  4. Step 4: Simplify right side
    302,873.40x = 135,810,007,501.68
  5. Step 5: Solve for x
    x = 135,810,007,501.68/302,873.40
  6. Step 6: Final answer
    x = 448,405.20

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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.