Home / 419,454.16-629,033.01-135,133.24

Finding the Fourth Proportional to 419,454.16, 629,033.01 and 135,133.24

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Solution

The fourth proportional to 419,454.16, 629,033.01 and 135,133.24 is: 202,652.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,454.16 : 629,033.01 = 135,133.24 : x
  2. Step 2: Convert to fraction form
    419,454.16/629,033.01 = 135,133.24/x
  3. Step 3: Cross multiply
    419,454.16x = 629,033.01 × 135,133.24
  4. Step 4: Simplify right side
    419,454.16x = 85,003,268,708.25
  5. Step 5: Solve for x
    x = 85,003,268,708.25/419,454.16
  6. Step 6: Final answer
    x = 202,652.11

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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.