Finding the Fourth Proportional to 98,684.62, 147,915.96 and 48,658.84
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Solution
The fourth proportional to 98,684.62, 147,915.96 and 48,658.84 is: 72,933.54
Step by Step Solution
- Step 1: Write the proportion equation
98,684.62 : 147,915.96 = 48,658.84 : x - Step 2: Convert to fraction form
98,684.62/147,915.96 = 48,658.84/x - Step 3: Cross multiply
98,684.62x = 147,915.96 × 48,658.84 - Step 4: Simplify right side
98,684.62x = 7,197,419,031.09 - Step 5: Solve for x
x = 7,197,419,031.09/98,684.62 - Step 6: Final answer
x = 72,933.54
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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.