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Finding the Fourth Proportional to 247,360.84, 341,358.08 and 139,928.60

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Solution

The fourth proportional to 247,360.84, 341,358.08 and 139,928.60 is: 193,101.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,360.84 : 341,358.08 = 139,928.60 : x
  2. Step 2: Convert to fraction form
    247,360.84/341,358.08 = 139,928.60/x
  3. Step 3: Cross multiply
    247,360.84x = 341,358.08 × 139,928.60
  4. Step 4: Simplify right side
    247,360.84x = 47,765,758,233.09
  5. Step 5: Solve for x
    x = 47,765,758,233.09/247,360.84
  6. Step 6: Final answer
    x = 193,101.54

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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.