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Finding the Fourth Proportional to 203,292.90, 305,230.95 and 158,969.70

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Solution

The fourth proportional to 203,292.90, 305,230.95 and 158,969.70 is: 238,682.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,292.90 : 305,230.95 = 158,969.70 : x
  2. Step 2: Convert to fraction form
    203,292.90/305,230.95 = 158,969.70/x
  3. Step 3: Cross multiply
    203,292.90x = 305,230.95 × 158,969.70
  4. Step 4: Simplify right side
    203,292.90x = 48,522,472,552.22
  5. Step 5: Solve for x
    x = 48,522,472,552.22/203,292.90
  6. Step 6: Final answer
    x = 238,682.57

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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.