Home / 235,278.41-352,888.45-139,272.75

Finding the Fourth Proportional to 235,278.41, 352,888.45 and 139,272.75

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Solution

The fourth proportional to 235,278.41, 352,888.45 and 139,272.75 is: 208,891.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,278.41 : 352,888.45 = 139,272.75 : x
  2. Step 2: Convert to fraction form
    235,278.41/352,888.45 = 139,272.75/x
  3. Step 3: Cross multiply
    235,278.41x = 352,888.45 × 139,272.75
  4. Step 4: Simplify right side
    235,278.41x = 49,147,744,526.56
  5. Step 5: Solve for x
    x = 49,147,744,526.56/235,278.41
  6. Step 6: Final answer
    x = 208,891.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.