Home / 208,239.36-312,359.03-50,467.81

Finding the Fourth Proportional to 208,239.36, 312,359.03 and 50,467.81

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Solution

The fourth proportional to 208,239.36, 312,359.03 and 50,467.81 is: 75,701.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,239.36 : 312,359.03 = 50,467.81 : x
  2. Step 2: Convert to fraction form
    208,239.36/312,359.03 = 50,467.81/x
  3. Step 3: Cross multiply
    208,239.36x = 312,359.03 × 50,467.81
  4. Step 4: Simplify right side
    208,239.36x = 15,764,076,096.94
  5. Step 5: Solve for x
    x = 15,764,076,096.94/208,239.36
  6. Step 6: Final answer
    x = 75,701.71

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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.