Home / 208,174.28-312,260.40-50,402.75

Finding the Fourth Proportional to 208,174.28, 312,260.40 and 50,402.75

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Solution

The fourth proportional to 208,174.28, 312,260.40 and 50,402.75 is: 75,603.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,174.28 : 312,260.40 = 50,402.75 : x
  2. Step 2: Convert to fraction form
    208,174.28/312,260.40 = 50,402.75/x
  3. Step 3: Cross multiply
    208,174.28x = 312,260.40 × 50,402.75
  4. Step 4: Simplify right side
    208,174.28x = 15,738,781,314.80
  5. Step 5: Solve for x
    x = 15,738,781,314.80/208,174.28
  6. Step 6: Final answer
    x = 75,603.87

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1.5x scale

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.