Home / 285,918.23-394,614.48-158,634.83

Finding the Fourth Proportional to 285,918.23, 394,614.48 and 158,634.83

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Solution

The fourth proportional to 285,918.23, 394,614.48 and 158,634.83 is: 218,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,918.23 : 394,614.48 = 158,634.83 : x
  2. Step 2: Convert to fraction form
    285,918.23/394,614.48 = 158,634.83/x
  3. Step 3: Cross multiply
    285,918.23x = 394,614.48 × 158,634.83
  4. Step 4: Simplify right side
    285,918.23x = 62,599,600,950.34
  5. Step 5: Solve for x
    x = 62,599,600,950.34/285,918.23
  6. Step 6: Final answer
    x = 218,942.32

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1.5x scale

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.