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Finding the Fourth Proportional to 364,919.76, 503,588.22 and 203,774.91

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Solution

The fourth proportional to 364,919.76, 503,588.22 and 203,774.91 is: 281,208.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,919.76 : 503,588.22 = 203,774.91 : x
  2. Step 2: Convert to fraction form
    364,919.76/503,588.22 = 203,774.91/x
  3. Step 3: Cross multiply
    364,919.76x = 503,588.22 × 203,774.91
  4. Step 4: Simplify right side
    364,919.76x = 102,618,644,207.56
  5. Step 5: Solve for x
    x = 102,618,644,207.56/364,919.76
  6. Step 6: Final answer
    x = 281,208.79

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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.