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Finding the Fourth Proportional to 365,564.64, 504,606.20 and 251,221.84

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Solution

The fourth proportional to 365,564.64, 504,606.20 and 251,221.84 is: 346,773.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,564.64 : 504,606.20 = 251,221.84 : x
  2. Step 2: Convert to fraction form
    365,564.64/504,606.20 = 251,221.84/x
  3. Step 3: Cross multiply
    365,564.64x = 504,606.20 × 251,221.84
  4. Step 4: Simplify right side
    365,564.64x = 126,768,098,039.41
  5. Step 5: Solve for x
    x = 126,768,098,039.41/365,564.64
  6. Step 6: Final answer
    x = 346,773.41

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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.