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Finding the Fourth Proportional to 247,372.86, 341,373.84 and 134,195.64

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Solution

The fourth proportional to 247,372.86, 341,373.84 and 134,195.64 is: 185,189.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,372.86 : 341,373.84 = 134,195.64 : x
  2. Step 2: Convert to fraction form
    247,372.86/341,373.84 = 134,195.64/x
  3. Step 3: Cross multiply
    247,372.86x = 341,373.84 × 134,195.64
  4. Step 4: Simplify right side
    247,372.86x = 45,810,880,938.06
  5. Step 5: Solve for x
    x = 45,810,880,938.06/247,372.86
  6. Step 6: Final answer
    x = 185,189.60

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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.