Home / 259,849.60-358,759.20-212,217.28

Finding the Fourth Proportional to 259,849.60, 358,759.20 and 212,217.28

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Solution

The fourth proportional to 259,849.60, 358,759.20 and 212,217.28 is: 292,996.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,849.60 : 358,759.20 = 212,217.28 : x
  2. Step 2: Convert to fraction form
    259,849.60/358,759.20 = 212,217.28/x
  3. Step 3: Cross multiply
    259,849.60x = 358,759.20 × 212,217.28
  4. Step 4: Simplify right side
    259,849.60x = 76,134,901,598.98
  5. Step 5: Solve for x
    x = 76,134,901,598.98/259,849.60
  6. Step 6: Final answer
    x = 292,996.03

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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.