Home / 445,002.93-667,545.39-145,485.09

Finding the Fourth Proportional to 445,002.93, 667,545.39 and 145,485.09

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Solution

The fourth proportional to 445,002.93, 667,545.39 and 145,485.09 is: 218,241.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,002.93 : 667,545.39 = 145,485.09 : x
  2. Step 2: Convert to fraction form
    445,002.93/667,545.39 = 145,485.09/x
  3. Step 3: Cross multiply
    445,002.93x = 667,545.39 × 145,485.09
  4. Step 4: Simplify right side
    445,002.93x = 97,117,901,143.24
  5. Step 5: Solve for x
    x = 97,117,901,143.24/445,002.93
  6. Step 6: Final answer
    x = 218,241.04

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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.