Home / 259,868.88-358,619.05-140,636.88

Finding the Fourth Proportional to 259,868.88, 358,619.05 and 140,636.88

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Solution

The fourth proportional to 259,868.88, 358,619.05 and 140,636.88 is: 194,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,868.88 : 358,619.05 = 140,636.88 : x
  2. Step 2: Convert to fraction form
    259,868.88/358,619.05 = 140,636.88/x
  3. Step 3: Cross multiply
    259,868.88x = 358,619.05 × 140,636.88
  4. Step 4: Simplify right side
    259,868.88x = 50,435,064,300.56
  5. Step 5: Solve for x
    x = 50,435,064,300.56/259,868.88
  6. Step 6: Final answer
    x = 194,078.89

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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.