Home / 445,032.96-667,082.88-208,176

Finding the Fourth Proportional to 445,032.96, 667,082.88 and 208,176

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Solution

The fourth proportional to 445,032.96, 667,082.88 and 208,176 is: 312,045.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,032.96 : 667,082.88 = 208,176 : x
  2. Step 2: Convert to fraction form
    445,032.96/667,082.88 = 208,176/x
  3. Step 3: Cross multiply
    445,032.96x = 667,082.88 × 208,176
  4. Step 4: Simplify right side
    445,032.96x = 138,870,645,626.88
  5. Step 5: Solve for x
    x = 138,870,645,626.88/445,032.96
  6. Step 6: Final answer
    x = 312,045.75

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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.