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Finding the Fourth Proportional to 363,788.98, 502,009.32 and 200,440.42

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Solution

The fourth proportional to 363,788.98, 502,009.32 and 200,440.42 is: 276,597.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,788.98 : 502,009.32 = 200,440.42 : x
  2. Step 2: Convert to fraction form
    363,788.98/502,009.32 = 200,440.42/x
  3. Step 3: Cross multiply
    363,788.98x = 502,009.32 × 200,440.42
  4. Step 4: Simplify right side
    363,788.98x = 100,622,958,944.71
  5. Step 5: Solve for x
    x = 100,622,958,944.71/363,788.98
  6. Step 6: Final answer
    x = 276,597.05

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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.