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Finding the Fourth Proportional to 202,230.60, 303,540.30 and 102,503.40

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Solution

The fourth proportional to 202,230.60, 303,540.30 and 102,503.40 is: 153,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,230.60 : 303,540.30 = 102,503.40 : x
  2. Step 2: Convert to fraction form
    202,230.60/303,540.30 = 102,503.40/x
  3. Step 3: Cross multiply
    202,230.60x = 303,540.30 × 102,503.40
  4. Step 4: Simplify right side
    202,230.60x = 31,113,912,787.02
  5. Step 5: Solve for x
    x = 31,113,912,787.02/202,230.60
  6. Step 6: Final answer
    x = 153,853.63

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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.