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Finding the Fourth Proportional to 363,358.80, 501,458.70 and 202,213.35

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Solution

The fourth proportional to 363,358.80, 501,458.70 and 202,213.35 is: 279,067.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,358.80 : 501,458.70 = 202,213.35 : x
  2. Step 2: Convert to fraction form
    363,358.80/501,458.70 = 202,213.35/x
  3. Step 3: Cross multiply
    363,358.80x = 501,458.70 × 202,213.35
  4. Step 4: Simplify right side
    363,358.80x = 101,401,643,613.65
  5. Step 5: Solve for x
    x = 101,401,643,613.65/363,358.80
  6. Step 6: Final answer
    x = 279,067.53

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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.