Finding the Fourth Proportional to 98,136.88, 147,184.68 and 31,582.96
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Solution
The fourth proportional to 98,136.88, 147,184.68 and 31,582.96 is: 47,367.80
Step by Step Solution
- Step 1: Write the proportion equation
98,136.88 : 147,184.68 = 31,582.96 : x - Step 2: Convert to fraction form
98,136.88/147,184.68 = 31,582.96/x - Step 3: Cross multiply
98,136.88x = 147,184.68 × 31,582.96 - Step 4: Simplify right side
98,136.88x = 4,648,527,861.05 - Step 5: Solve for x
x = 4,648,527,861.05/98,136.88 - Step 6: Final answer
x = 47,367.80
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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.