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Finding the Fourth Proportional to 202,996.54, 304,512.77 and 53,236.32

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Solution

The fourth proportional to 202,996.54, 304,512.77 and 53,236.32 is: 79,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,996.54 : 304,512.77 = 53,236.32 : x
  2. Step 2: Convert to fraction form
    202,996.54/304,512.77 = 53,236.32/x
  3. Step 3: Cross multiply
    202,996.54x = 304,512.77 × 53,236.32
  4. Step 4: Simplify right side
    202,996.54x = 16,211,139,267.81
  5. Step 5: Solve for x
    x = 16,211,139,267.81/202,996.54
  6. Step 6: Final answer
    x = 79,859.19

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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.