Home / 205,330.60-308,226.30-158,789.80

Finding the Fourth Proportional to 205,330.60, 308,226.30 and 158,789.80

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Solution

The fourth proportional to 205,330.60, 308,226.30 and 158,789.80 is: 238,362.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,330.60 : 308,226.30 = 158,789.80 : x
  2. Step 2: Convert to fraction form
    205,330.60/308,226.30 = 158,789.80/x
  3. Step 3: Cross multiply
    205,330.60x = 308,226.30 × 158,789.80
  4. Step 4: Simplify right side
    205,330.60x = 48,943,192,531.74
  5. Step 5: Solve for x
    x = 48,943,192,531.74/205,330.60
  6. Step 6: Final answer
    x = 238,362.88

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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.