Home / 217,743.85-326,488.65-84,468.37

Finding the Fourth Proportional to 217,743.85, 326,488.65 and 84,468.37

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Solution

The fourth proportional to 217,743.85, 326,488.65 and 84,468.37 is: 126,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,743.85 : 326,488.65 = 84,468.37 : x
  2. Step 2: Convert to fraction form
    217,743.85/326,488.65 = 84,468.37/x
  3. Step 3: Cross multiply
    217,743.85x = 326,488.65 × 84,468.37
  4. Step 4: Simplify right side
    217,743.85x = 27,577,964,089.00
  5. Step 5: Solve for x
    x = 27,577,964,089.00/217,743.85
  6. Step 6: Final answer
    x = 126,653.24

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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.