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Finding the Fourth Proportional to 247,824.28, 341,993.29 and 134,646.22

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Solution

The fourth proportional to 247,824.28, 341,993.29 and 134,646.22 is: 185,809.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,824.28 : 341,993.29 = 134,646.22 : x
  2. Step 2: Convert to fraction form
    247,824.28/341,993.29 = 134,646.22/x
  3. Step 3: Cross multiply
    247,824.28x = 341,993.29 × 134,646.22
  4. Step 4: Simplify right side
    247,824.28x = 46,048,101,380.67
  5. Step 5: Solve for x
    x = 46,048,101,380.67/247,824.28
  6. Step 6: Final answer
    x = 185,809.49

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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.