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Finding the Fourth Proportional to 500,205.26, 690,283.26 and 273,850.76

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Solution

The fourth proportional to 500,205.26, 690,283.26 and 273,850.76 is: 377,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,205.26 : 690,283.26 = 273,850.76 : x
  2. Step 2: Convert to fraction form
    500,205.26/690,283.26 = 273,850.76/x
  3. Step 3: Cross multiply
    500,205.26x = 690,283.26 × 273,850.76
  4. Step 4: Simplify right side
    500,205.26x = 189,034,591,914.86
  5. Step 5: Solve for x
    x = 189,034,591,914.86/500,205.26
  6. Step 6: Final answer
    x = 377,914.05

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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.