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Finding the Fourth Proportional to 376,512.50, 519,590.88 and 206,750.30

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Solution

The fourth proportional to 376,512.50, 519,590.88 and 206,750.30 is: 285,317.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,512.50 : 519,590.88 = 206,750.30 : x
  2. Step 2: Convert to fraction form
    376,512.50/519,590.88 = 206,750.30/x
  3. Step 3: Cross multiply
    376,512.50x = 519,590.88 × 206,750.30
  4. Step 4: Simplify right side
    376,512.50x = 107,425,570,317.26
  5. Step 5: Solve for x
    x = 107,425,570,317.26/376,512.50
  6. Step 6: Final answer
    x = 285,317.41

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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.