Home / 207,508.62-311,360.14-102,270.18

Finding the Fourth Proportional to 207,508.62, 311,360.14 and 102,270.18

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Solution

The fourth proportional to 207,508.62, 311,360.14 and 102,270.18 is: 153,453.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,508.62 : 311,360.14 = 102,270.18 : x
  2. Step 2: Convert to fraction form
    207,508.62/311,360.14 = 102,270.18/x
  3. Step 3: Cross multiply
    207,508.62x = 311,360.14 × 102,270.18
  4. Step 4: Simplify right side
    207,508.62x = 31,842,857,562.63
  5. Step 5: Solve for x
    x = 31,842,857,562.63/207,508.62
  6. Step 6: Final answer
    x = 153,453.18

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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.