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Finding the Fourth Proportional to 376,221.42, 519,191.91 and 206,471.34

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Solution

The fourth proportional to 376,221.42, 519,191.91 and 206,471.34 is: 284,933.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,221.42 : 519,191.91 = 206,471.34 : x
  2. Step 2: Convert to fraction form
    376,221.42/519,191.91 = 206,471.34/x
  3. Step 3: Cross multiply
    376,221.42x = 519,191.91 × 206,471.34
  4. Step 4: Simplify right side
    376,221.42x = 107,198,249,374.86
  5. Step 5: Solve for x
    x = 107,198,249,374.86/376,221.42
  6. Step 6: Final answer
    x = 284,933.93

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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.