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Finding the Fourth Proportional to 376,521.42, 519,605.94 and 206,771.34

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Solution

The fourth proportional to 376,521.42, 519,605.94 and 206,771.34 is: 285,347.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,521.42 : 519,605.94 = 206,771.34 : x
  2. Step 2: Convert to fraction form
    376,521.42/519,605.94 = 206,771.34/x
  3. Step 3: Cross multiply
    376,521.42x = 519,605.94 × 206,771.34
  4. Step 4: Simplify right side
    376,521.42x = 107,439,616,485.76
  5. Step 5: Solve for x
    x = 107,439,616,485.76/376,521.42
  6. Step 6: Final answer
    x = 285,347.95

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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.