Home / 208,379.25-312,568.61-50,607.45

Finding the Fourth Proportional to 208,379.25, 312,568.61 and 50,607.45

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Solution

The fourth proportional to 208,379.25, 312,568.61 and 50,607.45 is: 75,911.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,379.25 : 312,568.61 = 50,607.45 : x
  2. Step 2: Convert to fraction form
    208,379.25/312,568.61 = 50,607.45/x
  3. Step 3: Cross multiply
    208,379.25x = 312,568.61 × 50,607.45
  4. Step 4: Simplify right side
    208,379.25x = 15,818,300,049.11
  5. Step 5: Solve for x
    x = 15,818,300,049.11/208,379.25
  6. Step 6: Final answer
    x = 75,911.11

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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.