Home / 500,171.76-690,237.03-273,817.26

Finding the Fourth Proportional to 500,171.76, 690,237.03 and 273,817.26

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Solution

The fourth proportional to 500,171.76, 690,237.03 and 273,817.26 is: 377,867.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,171.76 : 690,237.03 = 273,817.26 : x
  2. Step 2: Convert to fraction form
    500,171.76/690,237.03 = 273,817.26/x
  3. Step 3: Cross multiply
    500,171.76x = 690,237.03 × 273,817.26
  4. Step 4: Simplify right side
    500,171.76x = 188,998,812,305.14
  5. Step 5: Solve for x
    x = 188,998,812,305.14/500,171.76
  6. Step 6: Final answer
    x = 377,867.82

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1.5x scale

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.