Home / 505,396.44-758,091.60-126,315.27

Finding the Fourth Proportional to 505,396.44, 758,091.60 and 126,315.27

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Solution

The fourth proportional to 505,396.44, 758,091.60 and 126,315.27 is: 189,472.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,396.44 : 758,091.60 = 126,315.27 : x
  2. Step 2: Convert to fraction form
    505,396.44/758,091.60 = 126,315.27/x
  3. Step 3: Cross multiply
    505,396.44x = 758,091.60 × 126,315.27
  4. Step 4: Simplify right side
    505,396.44x = 95,758,545,138.73
  5. Step 5: Solve for x
    x = 95,758,545,138.73/505,396.44
  6. Step 6: Final answer
    x = 189,472.14

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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.