Home / 236,995.20-326,764.80-223,257.60

Finding the Fourth Proportional to 236,995.20, 326,764.80 and 223,257.60

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Solution

The fourth proportional to 236,995.20, 326,764.80 and 223,257.60 is: 307,823.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,995.20 : 326,764.80 = 223,257.60 : x
  2. Step 2: Convert to fraction form
    236,995.20/326,764.80 = 223,257.60/x
  3. Step 3: Cross multiply
    236,995.20x = 326,764.80 × 223,257.60
  4. Step 4: Simplify right side
    236,995.20x = 72,952,725,012.48
  5. Step 5: Solve for x
    x = 72,952,725,012.48/236,995.20
  6. Step 6: Final answer
    x = 307,823.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.