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Finding the Fourth Proportional to 404,502.03, 606,525.21 and 134,485.29

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Solution

The fourth proportional to 404,502.03, 606,525.21 and 134,485.29 is: 201,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,502.03 : 606,525.21 = 134,485.29 : x
  2. Step 2: Convert to fraction form
    404,502.03/606,525.21 = 134,485.29/x
  3. Step 3: Cross multiply
    404,502.03x = 606,525.21 × 134,485.29
  4. Step 4: Simplify right side
    404,502.03x = 81,568,718,759.16
  5. Step 5: Solve for x
    x = 81,568,718,759.16/404,502.03
  6. Step 6: Final answer
    x = 201,652.19

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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.