Home / 285,727.10-394,144.18-265,453.61

Finding the Fourth Proportional to 285,727.10, 394,144.18 and 265,453.61

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Solution

The fourth proportional to 285,727.10, 394,144.18 and 265,453.61 is: 366,178.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,727.10 : 394,144.18 = 265,453.61 : x
  2. Step 2: Convert to fraction form
    285,727.10/394,144.18 = 265,453.61/x
  3. Step 3: Cross multiply
    285,727.10x = 394,144.18 × 265,453.61
  4. Step 4: Simplify right side
    285,727.10x = 104,626,992,807.14
  5. Step 5: Solve for x
    x = 104,626,992,807.14/285,727.10
  6. Step 6: Final answer
    x = 366,178.06

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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.