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Finding the Fourth Proportional to 376,887.33, 519,893.98 and 231,592.16

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Solution

The fourth proportional to 376,887.33, 519,893.98 and 231,592.16 is: 319,467.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,887.33 : 519,893.98 = 231,592.16 : x
  2. Step 2: Convert to fraction form
    376,887.33/519,893.98 = 231,592.16/x
  3. Step 3: Cross multiply
    376,887.33x = 519,893.98 × 231,592.16
  4. Step 4: Simplify right side
    376,887.33x = 120,403,370,519.95
  5. Step 5: Solve for x
    x = 120,403,370,519.95/376,887.33
  6. Step 6: Final answer
    x = 319,467.81

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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.