Home / 217,996.49-326,991.50-60,221.45

Finding the Fourth Proportional to 217,996.49, 326,991.50 and 60,221.45

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Solution

The fourth proportional to 217,996.49, 326,991.50 and 60,221.45 is: 90,331.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,996.49 : 326,991.50 = 60,221.45 : x
  2. Step 2: Convert to fraction form
    217,996.49/326,991.50 = 60,221.45/x
  3. Step 3: Cross multiply
    217,996.49x = 326,991.50 × 60,221.45
  4. Step 4: Simplify right side
    217,996.49x = 19,691,901,966.57
  5. Step 5: Solve for x
    x = 19,691,901,966.57/217,996.49
  6. Step 6: Final answer
    x = 90,331.28

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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.