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Finding the Fourth Proportional to 247,258.69, 341,216.99 and 134,081.53

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Solution

The fourth proportional to 247,258.69, 341,216.99 and 134,081.53 is: 185,032.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,258.69 : 341,216.99 = 134,081.53 : x
  2. Step 2: Convert to fraction form
    247,258.69/341,216.99 = 134,081.53/x
  3. Step 3: Cross multiply
    247,258.69x = 341,216.99 × 134,081.53
  4. Step 4: Simplify right side
    247,258.69x = 45,750,895,060.55
  5. Step 5: Solve for x
    x = 45,750,895,060.55/247,258.69
  6. Step 6: Final answer
    x = 185,032.51

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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.