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Finding the Fourth Proportional to 202,906.69, 304,410.15 and 62,665.31

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Solution

The fourth proportional to 202,906.69, 304,410.15 and 62,665.31 is: 94,013.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,906.69 : 304,410.15 = 62,665.31 : x
  2. Step 2: Convert to fraction form
    202,906.69/304,410.15 = 62,665.31/x
  3. Step 3: Cross multiply
    202,906.69x = 304,410.15 × 62,665.31
  4. Step 4: Simplify right side
    202,906.69x = 19,075,957,177.92
  5. Step 5: Solve for x
    x = 19,075,957,177.92/202,906.69
  6. Step 6: Final answer
    x = 94,013.45

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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.