Home / 206,453.60-308,897.40-122,258.96

Finding the Fourth Proportional to 206,453.60, 308,897.40 and 122,258.96

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Solution

The fourth proportional to 206,453.60, 308,897.40 and 122,258.96 is: 182,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,453.60 : 308,897.40 = 122,258.96 : x
  2. Step 2: Convert to fraction form
    206,453.60/308,897.40 = 122,258.96/x
  3. Step 3: Cross multiply
    206,453.60x = 308,897.40 × 122,258.96
  4. Step 4: Simplify right side
    206,453.60x = 37,765,474,870.70
  5. Step 5: Solve for x
    x = 37,765,474,870.70/206,453.60
  6. Step 6: Final answer
    x = 182,924.76

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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.