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Finding the Fourth Proportional to 400,360.92, 600,778.26 and 147,817.50

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Solution

The fourth proportional to 400,360.92, 600,778.26 and 147,817.50 is: 221,813.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,360.92 : 600,778.26 = 147,817.50 : x
  2. Step 2: Convert to fraction form
    400,360.92/600,778.26 = 147,817.50/x
  3. Step 3: Cross multiply
    400,360.92x = 600,778.26 × 147,817.50
  4. Step 4: Simplify right side
    400,360.92x = 88,805,540,447.55
  5. Step 5: Solve for x
    x = 88,805,540,447.55/400,360.92
  6. Step 6: Final answer
    x = 221,813.71

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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.