Home / 252,921.47-378,702.37-192,662.89

Finding the Fourth Proportional to 252,921.47, 378,702.37 and 192,662.89

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Solution

The fourth proportional to 252,921.47, 378,702.37 and 192,662.89 is: 288,476.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,921.47 : 378,702.37 = 192,662.89 : x
  2. Step 2: Convert to fraction form
    252,921.47/378,702.37 = 192,662.89/x
  3. Step 3: Cross multiply
    252,921.47x = 378,702.37 × 192,662.89
  4. Step 4: Simplify right side
    252,921.47x = 72,961,892,348.12
  5. Step 5: Solve for x
    x = 72,961,892,348.12/252,921.47
  6. Step 6: Final answer
    x = 288,476.47

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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.