Finding the Fourth Proportional to 115,037.97, 172,548.70 and 36,174.75
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Solution
The fourth proportional to 115,037.97, 172,548.70 and 36,174.75 is: 54,259.53
Step by Step Solution
- Step 1: Write the proportion equation
115,037.97 : 172,548.70 = 36,174.75 : x - Step 2: Convert to fraction form
115,037.97/172,548.70 = 36,174.75/x - Step 3: Cross multiply
115,037.97x = 172,548.70 × 36,174.75 - Step 4: Simplify right side
115,037.97x = 6,241,906,085.33 - Step 5: Solve for x
x = 6,241,906,085.33/115,037.97 - Step 6: Final answer
x = 54,259.53
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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.