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Finding the Fourth Proportional to 202,374.22, 303,503.92 and 60,213.76

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Solution

The fourth proportional to 202,374.22, 303,503.92 and 60,213.76 is: 90,303.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,374.22 : 303,503.92 = 60,213.76 : x
  2. Step 2: Convert to fraction form
    202,374.22/303,503.92 = 60,213.76/x
  3. Step 3: Cross multiply
    202,374.22x = 303,503.92 × 60,213.76
  4. Step 4: Simplify right side
    202,374.22x = 18,275,112,197.94
  5. Step 5: Solve for x
    x = 18,275,112,197.94/202,374.22
  6. Step 6: Final answer
    x = 90,303.56

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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.