Finding the Fourth Proportional to 199,199.67, 274,887.55 and 108,553.70
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Solution
The fourth proportional to 199,199.67, 274,887.55 and 108,553.70 is: 149,799.75
Step by Step Solution
- Step 1: Write the proportion equation
199,199.67 : 274,887.55 = 108,553.70 : x - Step 2: Convert to fraction form
199,199.67/274,887.55 = 108,553.70/x - Step 3: Cross multiply
199,199.67x = 274,887.55 × 108,553.70 - Step 4: Simplify right side
199,199.67x = 29,840,060,636.44 - Step 5: Solve for x
x = 29,840,060,636.44/199,199.67 - Step 6: Final answer
x = 149,799.75
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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.