Home / 376,691.45-519,838.07-204,611.09

Finding the Fourth Proportional to 376,691.45, 519,838.07 and 204,611.09

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Solution

The fourth proportional to 376,691.45, 519,838.07 and 204,611.09 is: 282,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,691.45 : 519,838.07 = 204,611.09 : x
  2. Step 2: Convert to fraction form
    376,691.45/519,838.07 = 204,611.09/x
  3. Step 3: Cross multiply
    376,691.45x = 519,838.07 × 204,611.09
  4. Step 4: Simplify right side
    376,691.45x = 106,364,630,503.95
  5. Step 5: Solve for x
    x = 106,364,630,503.95/376,691.45
  6. Step 6: Final answer
    x = 282,365.40

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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.