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Finding the Fourth Proportional to 247,258.14, 370,894.76 and 85,150.44

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Solution

The fourth proportional to 247,258.14, 370,894.76 and 85,150.44 is: 127,728.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,258.14 : 370,894.76 = 85,150.44 : x
  2. Step 2: Convert to fraction form
    247,258.14/370,894.76 = 85,150.44/x
  3. Step 3: Cross multiply
    247,258.14x = 370,894.76 × 85,150.44
  4. Step 4: Simplify right side
    247,258.14x = 31,581,851,581.94
  5. Step 5: Solve for x
    x = 31,581,851,581.94/247,258.14
  6. Step 6: Final answer
    x = 127,728.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.