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Finding the Fourth Proportional to 404,375.80, 606,272.10 and 264,213.40

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Solution

The fourth proportional to 404,375.80, 606,272.10 and 264,213.40 is: 396,129.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,375.80 : 606,272.10 = 264,213.40 : x
  2. Step 2: Convert to fraction form
    404,375.80/606,272.10 = 264,213.40/x
  3. Step 3: Cross multiply
    404,375.80x = 606,272.10 × 264,213.40
  4. Step 4: Simplify right side
    404,375.80x = 160,185,212,866.14
  5. Step 5: Solve for x
    x = 160,185,212,866.14/404,375.80
  6. Step 6: Final answer
    x = 396,129.57

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1.5x scale

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.