Home / 217,576.65-326,357.73-89,488.51

Finding the Fourth Proportional to 217,576.65, 326,357.73 and 89,488.51

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Solution

The fourth proportional to 217,576.65, 326,357.73 and 89,488.51 is: 134,229.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,576.65 : 326,357.73 = 89,488.51 : x
  2. Step 2: Convert to fraction form
    217,576.65/326,357.73 = 89,488.51/x
  3. Step 3: Cross multiply
    217,576.65x = 326,357.73 × 89,488.51
  4. Step 4: Simplify right side
    217,576.65x = 29,205,266,984.68
  5. Step 5: Solve for x
    x = 29,205,266,984.68/217,576.65
  6. Step 6: Final answer
    x = 134,229.79

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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.