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Finding the Fourth Proportional to 363,350.40, 501,416.56 and 202,205.22

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Solution

The fourth proportional to 363,350.40, 501,416.56 and 202,205.22 is: 279,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,350.40 : 501,416.56 = 202,205.22 : x
  2. Step 2: Convert to fraction form
    363,350.40/501,416.56 = 202,205.22/x
  3. Step 3: Cross multiply
    363,350.40x = 501,416.56 × 202,205.22
  4. Step 4: Simplify right side
    363,350.40x = 101,389,045,826.44
  5. Step 5: Solve for x
    x = 101,389,045,826.44/363,350.40
  6. Step 6: Final answer
    x = 279,039.31

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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.