Finding the Fourth Proportional to 115,239.74, 172,741.14 and 44,145.63
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Solution
The fourth proportional to 115,239.74, 172,741.14 and 44,145.63 is: 66,173.06
Step by Step Solution
- Step 1: Write the proportion equation
115,239.74 : 172,741.14 = 44,145.63 : x - Step 2: Convert to fraction form
115,239.74/172,741.14 = 44,145.63/x - Step 3: Cross multiply
115,239.74x = 172,741.14 × 44,145.63 - Step 4: Simplify right side
115,239.74x = 7,625,766,452.22 - Step 5: Solve for x
x = 7,625,766,452.22/115,239.74 - Step 6: Final answer
x = 66,173.06
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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.