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Finding the Fourth Proportional to 247,219.80, 370,829.70 and 134,856.60

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Solution

The fourth proportional to 247,219.80, 370,829.70 and 134,856.60 is: 202,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,219.80 : 370,829.70 = 134,856.60 : x
  2. Step 2: Convert to fraction form
    247,219.80/370,829.70 = 134,856.60/x
  3. Step 3: Cross multiply
    247,219.80x = 370,829.70 × 134,856.60
  4. Step 4: Simplify right side
    247,219.80x = 50,008,832,521.02
  5. Step 5: Solve for x
    x = 50,008,832,521.02/247,219.80
  6. Step 6: Final answer
    x = 202,284.90

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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.