Home / 297,286.07-445,997.22-128,834.67

Finding the Fourth Proportional to 297,286.07, 445,997.22 and 128,834.67

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Solution

The fourth proportional to 297,286.07, 445,997.22 and 128,834.67 is: 193,281.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,286.07 : 445,997.22 = 128,834.67 : x
  2. Step 2: Convert to fraction form
    297,286.07/445,997.22 = 128,834.67/x
  3. Step 3: Cross multiply
    297,286.07x = 445,997.22 × 128,834.67
  4. Step 4: Simplify right side
    297,286.07x = 57,459,904,659.62
  5. Step 5: Solve for x
    x = 57,459,904,659.62/297,286.07
  6. Step 6: Final answer
    x = 193,281.52

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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.