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Finding the Fourth Proportional to 252,015.60, 377,245.80 and 146,521.20

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Solution

The fourth proportional to 252,015.60, 377,245.80 and 146,521.20 is: 219,329.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,015.60 : 377,245.80 = 146,521.20 : x
  2. Step 2: Convert to fraction form
    252,015.60/377,245.80 = 146,521.20/x
  3. Step 3: Cross multiply
    252,015.60x = 377,245.80 × 146,521.20
  4. Step 4: Simplify right side
    252,015.60x = 55,274,507,310.96
  5. Step 5: Solve for x
    x = 55,274,507,310.96/252,015.60
  6. Step 6: Final answer
    x = 219,329.71

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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.