Finding the Fourth Proportional to 196,578.08, 271,277.76 and 107,154.08
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Solution
The fourth proportional to 196,578.08, 271,277.76 and 107,154.08 is: 147,872.64
Step by Step Solution
- Step 1: Write the proportion equation
196,578.08 : 271,277.76 = 107,154.08 : x - Step 2: Convert to fraction form
196,578.08/271,277.76 = 107,154.08/x - Step 3: Cross multiply
196,578.08x = 271,277.76 × 107,154.08 - Step 4: Simplify right side
196,578.08x = 29,068,518,797.26 - Step 5: Solve for x
x = 29,068,518,797.26/196,578.08 - Step 6: Final answer
x = 147,872.64
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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.