Home / 285,051.92-393,344.84-192,983.90

Finding the Fourth Proportional to 285,051.92, 393,344.84 and 192,983.90

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Solution

The fourth proportional to 285,051.92, 393,344.84 and 192,983.90 is: 266,299.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,051.92 : 393,344.84 = 192,983.90 : x
  2. Step 2: Convert to fraction form
    285,051.92/393,344.84 = 192,983.90/x
  3. Step 3: Cross multiply
    285,051.92x = 393,344.84 × 192,983.90
  4. Step 4: Simplify right side
    285,051.92x = 75,909,222,733.90
  5. Step 5: Solve for x
    x = 75,909,222,733.90/285,051.92
  6. Step 6: Final answer
    x = 266,299.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.