Home / 226,811.53-312,999.55-140,738.50

Finding the Fourth Proportional to 226,811.53, 312,999.55 and 140,738.50

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Solution

The fourth proportional to 226,811.53, 312,999.55 and 140,738.50 is: 194,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,811.53 : 312,999.55 = 140,738.50 : x
  2. Step 2: Convert to fraction form
    226,811.53/312,999.55 = 140,738.50/x
  3. Step 3: Cross multiply
    226,811.53x = 312,999.55 × 140,738.50
  4. Step 4: Simplify right side
    226,811.53x = 44,051,087,167.68
  5. Step 5: Solve for x
    x = 44,051,087,167.68/226,811.53
  6. Step 6: Final answer
    x = 194,218.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.