Home / 238,756.68-358,283.25-138,961.44

Finding the Fourth Proportional to 238,756.68, 358,283.25 and 138,961.44

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Solution

The fourth proportional to 238,756.68, 358,283.25 and 138,961.44 is: 208,528.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,756.68 : 358,283.25 = 138,961.44 : x
  2. Step 2: Convert to fraction form
    238,756.68/358,283.25 = 138,961.44/x
  3. Step 3: Cross multiply
    238,756.68x = 358,283.25 × 138,961.44
  4. Step 4: Simplify right side
    238,756.68x = 49,787,556,347.88
  5. Step 5: Solve for x
    x = 49,787,556,347.88/238,756.68
  6. Step 6: Final answer
    x = 208,528.43

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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.