Home / 268,166.30-401,872.19-211,758.10

Finding the Fourth Proportional to 268,166.30, 401,872.19 and 211,758.10

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Solution

The fourth proportional to 268,166.30, 401,872.19 and 211,758.10 is: 317,339.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,166.30 : 401,872.19 = 211,758.10 : x
  2. Step 2: Convert to fraction form
    268,166.30/401,872.19 = 211,758.10/x
  3. Step 3: Cross multiply
    268,166.30x = 401,872.19 × 211,758.10
  4. Step 4: Simplify right side
    268,166.30x = 85,099,689,333.77
  5. Step 5: Solve for x
    x = 85,099,689,333.77/268,166.30
  6. Step 6: Final answer
    x = 317,339.24

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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.