Home / 404,376.45-606,429.12-134,442.33

Finding the Fourth Proportional to 404,376.45, 606,429.12 and 134,442.33

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Solution

The fourth proportional to 404,376.45, 606,429.12 and 134,442.33 is: 201,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,376.45 : 606,429.12 = 134,442.33 : x
  2. Step 2: Convert to fraction form
    404,376.45/606,429.12 = 134,442.33/x
  3. Step 3: Cross multiply
    404,376.45x = 606,429.12 × 134,442.33
  4. Step 4: Simplify right side
    404,376.45x = 81,529,743,872.65
  5. Step 5: Solve for x
    x = 81,529,743,872.65/404,376.45
  6. Step 6: Final answer
    x = 201,618.43

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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.