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Finding the Fourth Proportional to 338,375.76, 466,958.64 and 185,412.69

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Solution

The fourth proportional to 338,375.76, 466,958.64 and 185,412.69 is: 255,869.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,375.76 : 466,958.64 = 185,412.69 : x
  2. Step 2: Convert to fraction form
    338,375.76/466,958.64 = 185,412.69/x
  3. Step 3: Cross multiply
    338,375.76x = 466,958.64 × 185,412.69
  4. Step 4: Simplify right side
    338,375.76x = 86,580,057,561.14
  5. Step 5: Solve for x
    x = 86,580,057,561.14/338,375.76
  6. Step 6: Final answer
    x = 255,869.56

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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.