Finding the Fourth Proportional to 199,236.99, 274,945.28 and 108,592.95
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Solution
The fourth proportional to 199,236.99, 274,945.28 and 108,592.95 is: 149,857.31
Step by Step Solution
- Step 1: Write the proportion equation
199,236.99 : 274,945.28 = 108,592.95 : x - Step 2: Convert to fraction form
199,236.99/274,945.28 = 108,592.95/x - Step 3: Cross multiply
199,236.99x = 274,945.28 × 108,592.95 - Step 4: Simplify right side
199,236.99x = 29,857,118,500.81 - Step 5: Solve for x
x = 29,857,118,500.81/199,236.99 - Step 6: Final answer
x = 149,857.31
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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.