Finding the Fourth Proportional to 199,876.66, 299,729.63 and 115,694.93
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Solution
The fourth proportional to 199,876.66, 299,729.63 and 115,694.93 is: 173,492.99
Step by Step Solution
- Step 1: Write the proportion equation
199,876.66 : 299,729.63 = 115,694.93 : x - Step 2: Convert to fraction form
199,876.66/299,729.63 = 115,694.93/x - Step 3: Cross multiply
199,876.66x = 299,729.63 × 115,694.93 - Step 4: Simplify right side
199,876.66x = 34,677,198,561.78 - Step 5: Solve for x
x = 34,677,198,561.78/199,876.66 - Step 6: Final answer
x = 173,492.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.