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Finding the Fourth Proportional to 364,090.39, 502,660.24 and 323,692.57

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Solution

The fourth proportional to 364,090.39, 502,660.24 and 323,692.57 is: 446,887.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,090.39 : 502,660.24 = 323,692.57 : x
  2. Step 2: Convert to fraction form
    364,090.39/502,660.24 = 323,692.57/x
  3. Step 3: Cross multiply
    364,090.39x = 502,660.24 × 323,692.57
  4. Step 4: Simplify right side
    364,090.39x = 162,707,382,813.73
  5. Step 5: Solve for x
    x = 162,707,382,813.73/364,090.39
  6. Step 6: Final answer
    x = 446,887.34

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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.