Home / 205,550.40-308,325.60-158,836.80

Finding the Fourth Proportional to 205,550.40, 308,325.60 and 158,836.80

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Solution

The fourth proportional to 205,550.40, 308,325.60 and 158,836.80 is: 238,255.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,550.40 : 308,325.60 = 158,836.80 : x
  2. Step 2: Convert to fraction form
    205,550.40/308,325.60 = 158,836.80/x
  3. Step 3: Cross multiply
    205,550.40x = 308,325.60 × 158,836.80
  4. Step 4: Simplify right side
    205,550.40x = 48,973,451,662.08
  5. Step 5: Solve for x
    x = 48,973,451,662.08/205,550.40
  6. Step 6: Final answer
    x = 238,255.20

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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.