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Finding the Fourth Proportional to 364,312.11, 502,749.73 and 203,167.33

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Solution

The fourth proportional to 364,312.11, 502,749.73 and 203,167.33 is: 280,370.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,312.11 : 502,749.73 = 203,167.33 : x
  2. Step 2: Convert to fraction form
    364,312.11/502,749.73 = 203,167.33/x
  3. Step 3: Cross multiply
    364,312.11x = 502,749.73 × 203,167.33
  4. Step 4: Simplify right side
    364,312.11x = 102,142,320,302.32
  5. Step 5: Solve for x
    x = 102,142,320,302.32/364,312.11
  6. Step 6: Final answer
    x = 280,370.37

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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.