Home / 217,473.03-326,239.19-126,331.25

Finding the Fourth Proportional to 217,473.03, 326,239.19 and 126,331.25

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Solution

The fourth proportional to 217,473.03, 326,239.19 and 126,331.25 is: 189,514.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,473.03 : 326,239.19 = 126,331.25 : x
  2. Step 2: Convert to fraction form
    217,473.03/326,239.19 = 126,331.25/x
  3. Step 3: Cross multiply
    217,473.03x = 326,239.19 × 126,331.25
  4. Step 4: Simplify right side
    217,473.03x = 41,214,202,882.58
  5. Step 5: Solve for x
    x = 41,214,202,882.58/217,473.03
  6. Step 6: Final answer
    x = 189,514.09

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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.