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Finding the Fourth Proportional to 363,794.72, 501,970.08 and 202,645.76

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Solution

The fourth proportional to 363,794.72, 501,970.08 and 202,645.76 is: 279,614.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,794.72 : 501,970.08 = 202,645.76 : x
  2. Step 2: Convert to fraction form
    363,794.72/501,970.08 = 202,645.76/x
  3. Step 3: Cross multiply
    363,794.72x = 501,970.08 × 202,645.76
  4. Step 4: Simplify right side
    363,794.72x = 101,722,108,358.86
  5. Step 5: Solve for x
    x = 101,722,108,358.86/363,794.72
  6. Step 6: Final answer
    x = 279,614.03

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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.