Home / 217,579.43-326,384.42-91,092.02

Finding the Fourth Proportional to 217,579.43, 326,384.42 and 91,092.02

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Solution

The fourth proportional to 217,579.43, 326,384.42 and 91,092.02 is: 136,644.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,579.43 : 326,384.42 = 91,092.02 : x
  2. Step 2: Convert to fraction form
    217,579.43/326,384.42 = 91,092.02/x
  3. Step 3: Cross multiply
    217,579.43x = 326,384.42 × 91,092.02
  4. Step 4: Simplify right side
    217,579.43x = 29,731,014,026.95
  5. Step 5: Solve for x
    x = 29,731,014,026.95/217,579.43
  6. Step 6: Final answer
    x = 136,644.41

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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.