Finding the Fourth Proportional to 199,876.47, 299,729.35 and 115,694.74
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Solution
The fourth proportional to 199,876.47, 299,729.35 and 115,694.74 is: 173,492.70
Step by Step Solution
- Step 1: Write the proportion equation
199,876.47 : 299,729.35 = 115,694.74 : x - Step 2: Convert to fraction form
199,876.47/299,729.35 = 115,694.74/x - Step 3: Cross multiply
199,876.47x = 299,729.35 × 115,694.74 - Step 4: Simplify right side
199,876.47x = 34,677,109,218.62 - Step 5: Solve for x
x = 34,677,109,218.62/199,876.47 - Step 6: Final answer
x = 173,492.70
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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.