Finding the Fourth Proportional to 198,701.68, 274,208.16 and 109,277.68
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Solution
The fourth proportional to 198,701.68, 274,208.16 and 109,277.68 is: 150,803.11
Step by Step Solution
- Step 1: Write the proportion equation
198,701.68 : 274,208.16 = 109,277.68 : x - Step 2: Convert to fraction form
198,701.68/274,208.16 = 109,277.68/x - Step 3: Cross multiply
198,701.68x = 274,208.16 × 109,277.68 - Step 4: Simplify right side
198,701.68x = 29,964,831,561.87 - Step 5: Solve for x
x = 29,964,831,561.87/198,701.68 - Step 6: Final answer
x = 150,803.11
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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.