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Finding the Fourth Proportional to 202,369.89, 303,569.52 and 77,710.89

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Solution

The fourth proportional to 202,369.89, 303,569.52 and 77,710.89 is: 116,571.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,369.89 : 303,569.52 = 77,710.89 : x
  2. Step 2: Convert to fraction form
    202,369.89/303,569.52 = 77,710.89/x
  3. Step 3: Cross multiply
    202,369.89x = 303,569.52 × 77,710.89
  4. Step 4: Simplify right side
    202,369.89x = 23,590,657,576.07
  5. Step 5: Solve for x
    x = 23,590,657,576.07/202,369.89
  6. Step 6: Final answer
    x = 116,571.97

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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.