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Finding the Fourth Proportional to 202,800.35, 303,986 and 76,385.89

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Solution

The fourth proportional to 202,800.35, 303,986 and 76,385.89 is: 114,498.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,800.35 : 303,986 = 76,385.89 : x
  2. Step 2: Convert to fraction form
    202,800.35/303,986 = 76,385.89/x
  3. Step 3: Cross multiply
    202,800.35x = 303,986 × 76,385.89
  4. Step 4: Simplify right side
    202,800.35x = 23,220,241,157.54
  5. Step 5: Solve for x
    x = 23,220,241,157.54/202,800.35
  6. Step 6: Final answer
    x = 114,498.04

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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.