Home / 217,983.52-326,968.80-60,221.44

Finding the Fourth Proportional to 217,983.52, 326,968.80 and 60,221.44

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Solution

The fourth proportional to 217,983.52, 326,968.80 and 60,221.44 is: 90,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,983.52 : 326,968.80 = 60,221.44 : x
  2. Step 2: Convert to fraction form
    217,983.52/326,968.80 = 60,221.44/x
  3. Step 3: Cross multiply
    217,983.52x = 326,968.80 × 60,221.44
  4. Step 4: Simplify right side
    217,983.52x = 19,690,531,971.07
  5. Step 5: Solve for x
    x = 19,690,531,971.07/217,983.52
  6. Step 6: Final answer
    x = 90,330.37

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1.5x scale

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.