Finding the Fourth Proportional to 199,821.75, 299,880.59 and 94,641.05
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Solution
The fourth proportional to 199,821.75, 299,880.59 and 94,641.05 is: 142,031.66
Step by Step Solution
- Step 1: Write the proportion equation
199,821.75 : 299,880.59 = 94,641.05 : x - Step 2: Convert to fraction form
199,821.75/299,880.59 = 94,641.05/x - Step 3: Cross multiply
199,821.75x = 299,880.59 × 94,641.05 - Step 4: Simplify right side
199,821.75x = 28,381,013,912.22 - Step 5: Solve for x
x = 28,381,013,912.22/199,821.75 - Step 6: Final answer
x = 142,031.66
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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.