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Finding the Fourth Proportional to 348,138.54, 480,339.48 and 200,926.86

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Solution

The fourth proportional to 348,138.54, 480,339.48 and 200,926.86 is: 277,226.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,138.54 : 480,339.48 = 200,926.86 : x
  2. Step 2: Convert to fraction form
    348,138.54/480,339.48 = 200,926.86/x
  3. Step 3: Cross multiply
    348,138.54x = 480,339.48 × 200,926.86
  4. Step 4: Simplify right side
    348,138.54x = 96,513,103,450.43
  5. Step 5: Solve for x
    x = 96,513,103,450.43/348,138.54
  6. Step 6: Final answer
    x = 277,226.14

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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.