Home / 197,900.32-296,996.48-145,451.20

Finding the Fourth Proportional to 197,900.32, 296,996.48 and 145,451.20

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Solution

The fourth proportional to 197,900.32, 296,996.48 and 145,451.20 is: 218,284.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,900.32 : 296,996.48 = 145,451.20 : x
  2. Step 2: Convert to fraction form
    197,900.32/296,996.48 = 145,451.20/x
  3. Step 3: Cross multiply
    197,900.32x = 296,996.48 × 145,451.20
  4. Step 4: Simplify right side
    197,900.32x = 43,198,494,411.78
  5. Step 5: Solve for x
    x = 43,198,494,411.78/197,900.32
  6. Step 6: Final answer
    x = 218,284.11

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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.