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Finding the Fourth Proportional to 500,174.82, 690,241.28 and 273,820.32

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Solution

The fourth proportional to 500,174.82, 690,241.28 and 273,820.32 is: 377,872.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,174.82 : 690,241.28 = 273,820.32 : x
  2. Step 2: Convert to fraction form
    500,174.82/690,241.28 = 273,820.32/x
  3. Step 3: Cross multiply
    500,174.82x = 690,241.28 × 273,820.32
  4. Step 4: Simplify right side
    500,174.82x = 189,002,086,797.71
  5. Step 5: Solve for x
    x = 189,002,086,797.71/500,174.82
  6. Step 6: Final answer
    x = 377,872.05

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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.