Home / 217,619.22-326,323.77-91,225.52

Finding the Fourth Proportional to 217,619.22, 326,323.77 and 91,225.52

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Solution

The fourth proportional to 217,619.22, 326,323.77 and 91,225.52 is: 136,794.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,619.22 : 326,323.77 = 91,225.52 : x
  2. Step 2: Convert to fraction form
    217,619.22/326,323.77 = 91,225.52/x
  3. Step 3: Cross multiply
    217,619.22x = 326,323.77 × 91,225.52
  4. Step 4: Simplify right side
    217,619.22x = 29,769,055,606.61
  5. Step 5: Solve for x
    x = 29,769,055,606.61/217,619.22
  6. Step 6: Final answer
    x = 136,794.24

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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.