Home / 445,112.73-667,696.23-145,624.95

Finding the Fourth Proportional to 445,112.73, 667,696.23 and 145,624.95

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Solution

The fourth proportional to 445,112.73, 667,696.23 and 145,624.95 is: 218,446.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,112.73 : 667,696.23 = 145,624.95 : x
  2. Step 2: Convert to fraction form
    445,112.73/667,696.23 = 145,624.95/x
  3. Step 3: Cross multiply
    445,112.73x = 667,696.23 × 145,624.95
  4. Step 4: Simplify right side
    445,112.73x = 97,233,230,108.94
  5. Step 5: Solve for x
    x = 97,233,230,108.94/445,112.73
  6. Step 6: Final answer
    x = 218,446.30

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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.