Finding the Fourth Proportional to 80,209.24, 110,691.36 and 46,215.09
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Solution
The fourth proportional to 80,209.24, 110,691.36 and 46,215.09 is: 63,778.33
Step by Step Solution
- Step 1: Write the proportion equation
80,209.24 : 110,691.36 = 46,215.09 : x - Step 2: Convert to fraction form
80,209.24/110,691.36 = 46,215.09/x - Step 3: Cross multiply
80,209.24x = 110,691.36 × 46,215.09 - Step 4: Simplify right side
80,209.24x = 5,115,611,164.62 - Step 5: Solve for x
x = 5,115,611,164.62/80,209.24 - Step 6: Final answer
x = 63,778.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.