Home / 253,056.13-379,288.94-140,682.60

Finding the Fourth Proportional to 253,056.13, 379,288.94 and 140,682.60

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Solution

The fourth proportional to 253,056.13, 379,288.94 and 140,682.60 is: 210,859.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,056.13 : 379,288.94 = 140,682.60 : x
  2. Step 2: Convert to fraction form
    253,056.13/379,288.94 = 140,682.60/x
  3. Step 3: Cross multiply
    253,056.13x = 379,288.94 × 140,682.60
  4. Step 4: Simplify right side
    253,056.13x = 53,359,354,230.44
  5. Step 5: Solve for x
    x = 53,359,354,230.44/253,056.13
  6. Step 6: Final answer
    x = 210,859.76

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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.