Finding the Fourth Proportional to 157,733.96, 236,638.60 and 52,553.84
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Solution
The fourth proportional to 157,733.96, 236,638.60 and 52,553.84 is: 78,843.31
Step by Step Solution
- Step 1: Write the proportion equation
157,733.96 : 236,638.60 = 52,553.84 : x - Step 2: Convert to fraction form
157,733.96/236,638.60 = 52,553.84/x - Step 3: Cross multiply
157,733.96x = 236,638.60 × 52,553.84 - Step 4: Simplify right side
157,733.96x = 12,436,267,122.22 - Step 5: Solve for x
x = 12,436,267,122.22/157,733.96 - Step 6: Final answer
x = 78,843.31
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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.