Home / 285,849.72-394,462.68-158,537.16

Finding the Fourth Proportional to 285,849.72, 394,462.68 and 158,537.16

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Solution

The fourth proportional to 285,849.72, 394,462.68 and 158,537.16 is: 218,775.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,849.72 : 394,462.68 = 158,537.16 : x
  2. Step 2: Convert to fraction form
    285,849.72/394,462.68 = 158,537.16/x
  3. Step 3: Cross multiply
    285,849.72x = 394,462.68 × 158,537.16
  4. Step 4: Simplify right side
    285,849.72x = 62,536,993,013.19
  5. Step 5: Solve for x
    x = 62,536,993,013.19/285,849.72
  6. Step 6: Final answer
    x = 218,775.77

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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.