Finding the Fourth Proportional to 198,773.24, 274,240.80 and 112,721.49
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Solution
The fourth proportional to 198,773.24, 274,240.80 and 112,721.49 is: 155,518.08
Step by Step Solution
- Step 1: Write the proportion equation
198,773.24 : 274,240.80 = 112,721.49 : x - Step 2: Convert to fraction form
198,773.24/274,240.80 = 112,721.49/x - Step 3: Cross multiply
198,773.24x = 274,240.80 × 112,721.49 - Step 4: Simplify right side
198,773.24x = 30,912,831,594.79 - Step 5: Solve for x
x = 30,912,831,594.79/198,773.24 - Step 6: Final answer
x = 155,518.08
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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.