Home / 217,712.54-326,693.17-84,575.47

Finding the Fourth Proportional to 217,712.54, 326,693.17 and 84,575.47

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Solution

The fourth proportional to 217,712.54, 326,693.17 and 84,575.47 is: 126,911.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,712.54 : 326,693.17 = 84,575.47 : x
  2. Step 2: Convert to fraction form
    217,712.54/326,693.17 = 84,575.47/x
  3. Step 3: Cross multiply
    217,712.54x = 326,693.17 × 84,575.47
  4. Step 4: Simplify right side
    217,712.54x = 27,630,228,398.54
  5. Step 5: Solve for x
    x = 27,630,228,398.54/217,712.54
  6. Step 6: Final answer
    x = 126,911.52

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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.