Home / 252,922.47-378,703.87-192,663.89

Finding the Fourth Proportional to 252,922.47, 378,703.87 and 192,663.89

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Solution

The fourth proportional to 252,922.47, 378,703.87 and 192,663.89 is: 288,477.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,922.47 : 378,703.87 = 192,663.89 : x
  2. Step 2: Convert to fraction form
    252,922.47/378,703.87 = 192,663.89/x
  3. Step 3: Cross multiply
    252,922.47x = 378,703.87 × 192,663.89
  4. Step 4: Simplify right side
    252,922.47x = 72,962,560,752.25
  5. Step 5: Solve for x
    x = 72,962,560,752.25/252,922.47
  6. Step 6: Final answer
    x = 288,477.97

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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.