Finding the Fourth Proportional to 299,696.62, 449,766.15 and 141,924.82
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Solution
The fourth proportional to 299,696.62, 449,766.15 and 141,924.82 is: 212,991.99
Step by Step Solution
- Step 1: Write the proportion equation
299,696.62 : 449,766.15 = 141,924.82 : x - Step 2: Convert to fraction form
299,696.62/449,766.15 = 141,924.82/x - Step 3: Cross multiply
299,696.62x = 449,766.15 × 141,924.82 - Step 4: Simplify right side
299,696.62x = 63,832,979,880.84 - Step 5: Solve for x
x = 63,832,979,880.84/299,696.62 - Step 6: Final answer
x = 212,991.99
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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.