Home / 500,176.22-690,243.14-273,821.72

Finding the Fourth Proportional to 500,176.22, 690,243.14 and 273,821.72

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Solution

The fourth proportional to 500,176.22, 690,243.14 and 273,821.72 is: 377,873.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,176.22 : 690,243.14 = 273,821.72 : x
  2. Step 2: Convert to fraction form
    500,176.22/690,243.14 = 273,821.72/x
  3. Step 3: Cross multiply
    500,176.22x = 690,243.14 × 273,821.72
  4. Step 4: Simplify right side
    500,176.22x = 189,003,563,813.00
  5. Step 5: Solve for x
    x = 189,003,563,813.00/500,176.22
  6. Step 6: Final answer
    x = 377,873.95

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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.