Finding the Fourth Proportional to 198,556.97, 274,008.53 and 109,132.97
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Solution
The fourth proportional to 198,556.97, 274,008.53 and 109,132.97 is: 150,603.45
Step by Step Solution
- Step 1: Write the proportion equation
198,556.97 : 274,008.53 = 109,132.97 : x - Step 2: Convert to fraction form
198,556.97/274,008.53 = 109,132.97/x - Step 3: Cross multiply
198,556.97x = 274,008.53 × 109,132.97 - Step 4: Simplify right side
198,556.97x = 29,903,363,587.02 - Step 5: Solve for x
x = 29,903,363,587.02/198,556.97 - Step 6: Final answer
x = 150,603.45
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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.