Home / 252,665.38-378,569.82-152,615.38

Finding the Fourth Proportional to 252,665.38, 378,569.82 and 152,615.38

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Solution

The fourth proportional to 252,665.38, 378,569.82 and 152,615.38 is: 228,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,665.38 : 378,569.82 = 152,615.38 : x
  2. Step 2: Convert to fraction form
    252,665.38/378,569.82 = 152,615.38/x
  3. Step 3: Cross multiply
    252,665.38x = 378,569.82 × 152,615.38
  4. Step 4: Simplify right side
    252,665.38x = 57,775,576,935.83
  5. Step 5: Solve for x
    x = 57,775,576,935.83/252,665.38
  6. Step 6: Final answer
    x = 228,664.40

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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.