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Finding the Fourth Proportional to 368,377.58, 508,319.87 and 207,229.29

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Solution

The fourth proportional to 368,377.58, 508,319.87 and 207,229.29 is: 285,953.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,377.58 : 508,319.87 = 207,229.29 : x
  2. Step 2: Convert to fraction form
    368,377.58/508,319.87 = 207,229.29/x
  3. Step 3: Cross multiply
    368,377.58x = 508,319.87 × 207,229.29
  4. Step 4: Simplify right side
    368,377.58x = 105,338,764,716.85
  5. Step 5: Solve for x
    x = 105,338,764,716.85/368,377.58
  6. Step 6: Final answer
    x = 285,953.25

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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.