Home / 217,536.52-326,367.96-77,306.08

Finding the Fourth Proportional to 217,536.52, 326,367.96 and 77,306.08

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Solution

The fourth proportional to 217,536.52, 326,367.96 and 77,306.08 is: 115,981.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,536.52 : 326,367.96 = 77,306.08 : x
  2. Step 2: Convert to fraction form
    217,536.52/326,367.96 = 77,306.08/x
  3. Step 3: Cross multiply
    217,536.52x = 326,367.96 × 77,306.08
  4. Step 4: Simplify right side
    217,536.52x = 25,230,227,625.20
  5. Step 5: Solve for x
    x = 25,230,227,625.20/217,536.52
  6. Step 6: Final answer
    x = 115,981.57

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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.