Home / 217,836.58-326,775.04-84,726.94

Finding the Fourth Proportional to 217,836.58, 326,775.04 and 84,726.94

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Solution

The fourth proportional to 217,836.58, 326,775.04 and 84,726.94 is: 127,098.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,836.58 : 326,775.04 = 84,726.94 : x
  2. Step 2: Convert to fraction form
    217,836.58/326,775.04 = 84,726.94/x
  3. Step 3: Cross multiply
    217,836.58x = 326,775.04 × 84,726.94
  4. Step 4: Simplify right side
    217,836.58x = 27,686,649,207.58
  5. Step 5: Solve for x
    x = 27,686,649,207.58/217,836.58
  6. Step 6: Final answer
    x = 127,098.26

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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.