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Finding the Fourth Proportional to 304,845.23, 420,756.39 and 202,874.99

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Solution

The fourth proportional to 304,845.23, 420,756.39 and 202,874.99 is: 280,014.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,845.23 : 420,756.39 = 202,874.99 : x
  2. Step 2: Convert to fraction form
    304,845.23/420,756.39 = 202,874.99/x
  3. Step 3: Cross multiply
    304,845.23x = 420,756.39 × 202,874.99
  4. Step 4: Simplify right side
    304,845.23x = 85,360,946,309.90
  5. Step 5: Solve for x
    x = 85,360,946,309.90/304,845.23
  6. Step 6: Final answer
    x = 280,014.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.