Home / 349,829.40-524,742.31-136,618.97

Finding the Fourth Proportional to 349,829.40, 524,742.31 and 136,618.97

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Solution

The fourth proportional to 349,829.40, 524,742.31 and 136,618.97 is: 204,927.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,829.40 : 524,742.31 = 136,618.97 : x
  2. Step 2: Convert to fraction form
    349,829.40/524,742.31 = 136,618.97/x
  3. Step 3: Cross multiply
    349,829.40x = 524,742.31 × 136,618.97
  4. Step 4: Simplify right side
    349,829.40x = 71,689,753,907.62
  5. Step 5: Solve for x
    x = 71,689,753,907.62/349,829.40
  6. Step 6: Final answer
    x = 204,927.76

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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.