Home / 221,020.30-331,469.76-61,058.02

Finding the Fourth Proportional to 221,020.30, 331,469.76 and 61,058.02

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Solution

The fourth proportional to 221,020.30, 331,469.76 and 61,058.02 is: 91,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,020.30 : 331,469.76 = 61,058.02 : x
  2. Step 2: Convert to fraction form
    221,020.30/331,469.76 = 61,058.02/x
  3. Step 3: Cross multiply
    221,020.30x = 331,469.76 × 61,058.02
  4. Step 4: Simplify right side
    221,020.30x = 20,238,887,235.48
  5. Step 5: Solve for x
    x = 20,238,887,235.48/221,020.30
  6. Step 6: Final answer
    x = 91,570.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.