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Finding the Fourth Proportional to 247,354.83, 341,349.78 and 139,922.61

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Solution

The fourth proportional to 247,354.83, 341,349.78 and 139,922.61 is: 193,093.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,354.83 : 341,349.78 = 139,922.61 : x
  2. Step 2: Convert to fraction form
    247,354.83/341,349.78 = 139,922.61/x
  3. Step 3: Cross multiply
    247,354.83x = 341,349.78 × 139,922.61
  4. Step 4: Simplify right side
    247,354.83x = 47,762,552,140.53
  5. Step 5: Solve for x
    x = 47,762,552,140.53/247,354.83
  6. Step 6: Final answer
    x = 193,093.27

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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.