Home / 445,468.50-667,885.32-208,682.10

Finding the Fourth Proportional to 445,468.50, 667,885.32 and 208,682.10

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Solution

The fourth proportional to 445,468.50, 667,885.32 and 208,682.10 is: 312,874.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,468.50 : 667,885.32 = 208,682.10 : x
  2. Step 2: Convert to fraction form
    445,468.50/667,885.32 = 208,682.10/x
  3. Step 3: Cross multiply
    445,468.50x = 667,885.32 × 208,682.10
  4. Step 4: Simplify right side
    445,468.50x = 139,375,711,136.77
  5. Step 5: Solve for x
    x = 139,375,711,136.77/445,468.50
  6. Step 6: Final answer
    x = 312,874.45

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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.