Finding the Fourth Proportional to 299,184.62, 448,861.37 and 121,818.92
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Solution
The fourth proportional to 299,184.62, 448,861.37 and 121,818.92 is: 182,762.75
Step by Step Solution
- Step 1: Write the proportion equation
299,184.62 : 448,861.37 = 121,818.92 : x - Step 2: Convert to fraction form
299,184.62/448,861.37 = 121,818.92/x - Step 3: Cross multiply
299,184.62x = 448,861.37 × 121,818.92 - Step 4: Simplify right side
299,184.62x = 54,679,804,469.72 - Step 5: Solve for x
x = 54,679,804,469.72/299,184.62 - Step 6: Final answer
x = 182,762.75
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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.