Finding the Fourth Proportional to 198,712.52, 274,126.91 and 118,082.99
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Solution
The fourth proportional to 198,712.52, 274,126.91 and 118,082.99 is: 162,897.26
Step by Step Solution
- Step 1: Write the proportion equation
198,712.52 : 274,126.91 = 118,082.99 : x - Step 2: Convert to fraction form
198,712.52/274,126.91 = 118,082.99/x - Step 3: Cross multiply
198,712.52x = 274,126.91 × 118,082.99 - Step 4: Simplify right side
198,712.52x = 32,369,725,172.26 - Step 5: Solve for x
x = 32,369,725,172.26/198,712.52 - Step 6: Final answer
x = 162,897.26
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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.