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Finding the Fourth Proportional to 300,253.92, 413,874 and 236,490.72

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Solution

The fourth proportional to 300,253.92, 413,874 and 236,490.72 is: 325,981.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,253.92 : 413,874 = 236,490.72 : x
  2. Step 2: Convert to fraction form
    300,253.92/413,874 = 236,490.72/x
  3. Step 3: Cross multiply
    300,253.92x = 413,874 × 236,490.72
  4. Step 4: Simplify right side
    300,253.92x = 97,877,360,249.28
  5. Step 5: Solve for x
    x = 97,877,360,249.28/300,253.92
  6. Step 6: Final answer
    x = 325,981.96

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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.