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Finding the Fourth Proportional to 337,174, 505,761 and 87,856

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Solution

The fourth proportional to 337,174, 505,761 and 87,856 is: 131,784

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,174 : 505,761 = 87,856 : x
  2. Step 2: Convert to fraction form
    337,174/505,761 = 87,856/x
  3. Step 3: Cross multiply
    337,174x = 505,761 × 87,856
  4. Step 4: Simplify right side
    337,174x = 44,434,138,416
  5. Step 5: Solve for x
    x = 44,434,138,416/337,174
  6. Step 6: Final answer
    x = 131,784

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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.