Home / 419,917.80-629,692.02-153,609.24

Finding the Fourth Proportional to 419,917.80, 629,692.02 and 153,609.24

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Solution

The fourth proportional to 419,917.80, 629,692.02 and 153,609.24 is: 230,346.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,917.80 : 629,692.02 = 153,609.24 : x
  2. Step 2: Convert to fraction form
    419,917.80/629,692.02 = 153,609.24/x
  3. Step 3: Cross multiply
    419,917.80x = 629,692.02 × 153,609.24
  4. Step 4: Simplify right side
    419,917.80x = 96,726,512,626.26
  5. Step 5: Solve for x
    x = 96,726,512,626.26/419,917.80
  6. Step 6: Final answer
    x = 230,346.30

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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.