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Finding the Fourth Proportional to 363,308.83, 501,308.40 and 202,163.38

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Solution

The fourth proportional to 363,308.83, 501,308.40 and 202,163.38 is: 278,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,308.83 : 501,308.40 = 202,163.38 : x
  2. Step 2: Convert to fraction form
    363,308.83/501,308.40 = 202,163.38/x
  3. Step 3: Cross multiply
    363,308.83x = 501,308.40 × 202,163.38
  4. Step 4: Simplify right side
    363,308.83x = 101,346,200,566.39
  5. Step 5: Solve for x
    x = 101,346,200,566.39/363,308.83
  6. Step 6: Final answer
    x = 278,953.31

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1.5x scale

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.