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Finding the Fourth Proportional to 363,452.50, 501,553.26 and 202,303.40

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Solution

The fourth proportional to 363,452.50, 501,553.26 and 202,303.40 is: 279,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,452.50 : 501,553.26 = 202,303.40 : x
  2. Step 2: Convert to fraction form
    363,452.50/501,553.26 = 202,303.40/x
  3. Step 3: Cross multiply
    363,452.50x = 501,553.26 × 202,303.40
  4. Step 4: Simplify right side
    363,452.50x = 101,465,929,779.08
  5. Step 5: Solve for x
    x = 101,465,929,779.08/363,452.50
  6. Step 6: Final answer
    x = 279,172.46

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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.