Home / 285,916.08-394,554.10-158,603.52

Finding the Fourth Proportional to 285,916.08, 394,554.10 and 158,603.52

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Solution

The fourth proportional to 285,916.08, 394,554.10 and 158,603.52 is: 218,867.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,916.08 : 394,554.10 = 158,603.52 : x
  2. Step 2: Convert to fraction form
    285,916.08/394,554.10 = 158,603.52/x
  3. Step 3: Cross multiply
    285,916.08x = 394,554.10 × 158,603.52
  4. Step 4: Simplify right side
    285,916.08x = 62,577,669,090.43
  5. Step 5: Solve for x
    x = 62,577,669,090.43/285,916.08
  6. Step 6: Final answer
    x = 218,867.26

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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.