Home / 285,560.10-394,072.91-158,235.69

Finding the Fourth Proportional to 285,560.10, 394,072.91 and 158,235.69

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Solution

The fourth proportional to 285,560.10, 394,072.91 and 158,235.69 is: 218,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,560.10 : 394,072.91 = 158,235.69 : x
  2. Step 2: Convert to fraction form
    285,560.10/394,072.91 = 158,235.69/x
  3. Step 3: Cross multiply
    285,560.10x = 394,072.91 × 158,235.69
  4. Step 4: Simplify right side
    285,560.10x = 62,356,400,104.14
  5. Step 5: Solve for x
    x = 62,356,400,104.14/285,560.10
  6. Step 6: Final answer
    x = 218,365.24

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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.