Finding the Fourth Proportional to 193,915.84, 290,841.36 and 53,688.64
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Solution
The fourth proportional to 193,915.84, 290,841.36 and 53,688.64 is: 80,523.99
Step by Step Solution
- Step 1: Write the proportion equation
193,915.84 : 290,841.36 = 53,688.64 : x - Step 2: Convert to fraction form
193,915.84/290,841.36 = 53,688.64/x - Step 3: Cross multiply
193,915.84x = 290,841.36 × 53,688.64 - Step 4: Simplify right side
193,915.84x = 15,614,877,074.15 - Step 5: Solve for x
x = 15,614,877,074.15/193,915.84 - Step 6: Final answer
x = 80,523.99
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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.