Home / 213,733.60-320,600.40-204,632.80

Finding the Fourth Proportional to 213,733.60, 320,600.40 and 204,632.80

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Solution

The fourth proportional to 213,733.60, 320,600.40 and 204,632.80 is: 306,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,733.60 : 320,600.40 = 204,632.80 : x
  2. Step 2: Convert to fraction form
    213,733.60/320,600.40 = 204,632.80/x
  3. Step 3: Cross multiply
    213,733.60x = 320,600.40 × 204,632.80
  4. Step 4: Simplify right side
    213,733.60x = 65,605,357,533.12
  5. Step 5: Solve for x
    x = 65,605,357,533.12/213,733.60
  6. Step 6: Final answer
    x = 306,949.20

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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.