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Finding the Fourth Proportional to 318,629.80, 439,708.98 and 184,493.80

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Solution

The fourth proportional to 318,629.80, 439,708.98 and 184,493.80 is: 254,601.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,629.80 : 439,708.98 = 184,493.80 : x
  2. Step 2: Convert to fraction form
    318,629.80/439,708.98 = 184,493.80/x
  3. Step 3: Cross multiply
    318,629.80x = 439,708.98 × 184,493.80
  4. Step 4: Simplify right side
    318,629.80x = 81,123,580,614.32
  5. Step 5: Solve for x
    x = 81,123,580,614.32/318,629.80
  6. Step 6: Final answer
    x = 254,601.36

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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.