Home / 217,724.98-326,608.12-84,615.52

Finding the Fourth Proportional to 217,724.98, 326,608.12 and 84,615.52

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Solution

The fourth proportional to 217,724.98, 326,608.12 and 84,615.52 is: 126,931.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,724.98 : 326,608.12 = 84,615.52 : x
  2. Step 2: Convert to fraction form
    217,724.98/326,608.12 = 84,615.52/x
  3. Step 3: Cross multiply
    217,724.98x = 326,608.12 × 84,615.52
  4. Step 4: Simplify right side
    217,724.98x = 27,636,115,910.02
  5. Step 5: Solve for x
    x = 27,636,115,910.02/217,724.98
  6. Step 6: Final answer
    x = 126,931.31

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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.