Home / 217,581.68-326,387.79-91,094.27

Finding the Fourth Proportional to 217,581.68, 326,387.79 and 91,094.27

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Solution

The fourth proportional to 217,581.68, 326,387.79 and 91,094.27 is: 136,647.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,581.68 : 326,387.79 = 91,094.27 : x
  2. Step 2: Convert to fraction form
    217,581.68/326,387.79 = 91,094.27/x
  3. Step 3: Cross multiply
    217,581.68x = 326,387.79 × 91,094.27
  4. Step 4: Simplify right side
    217,581.68x = 29,732,055,835.02
  5. Step 5: Solve for x
    x = 29,732,055,835.02/217,581.68
  6. Step 6: Final answer
    x = 136,647.79

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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.