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Finding the Fourth Proportional to 354,262.93, 488,865.17 and 201,280.91

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Solution

The fourth proportional to 354,262.93, 488,865.17 and 201,280.91 is: 277,757.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,262.93 : 488,865.17 = 201,280.91 : x
  2. Step 2: Convert to fraction form
    354,262.93/488,865.17 = 201,280.91/x
  3. Step 3: Cross multiply
    354,262.93x = 488,865.17 × 201,280.91
  4. Step 4: Simplify right side
    354,262.93x = 98,399,226,284.90
  5. Step 5: Solve for x
    x = 98,399,226,284.90/354,262.93
  6. Step 6: Final answer
    x = 277,757.62

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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.