Finding the Fourth Proportional to 121,520, 182,361 and 46,701.92
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Solution
The fourth proportional to 121,520, 182,361 and 46,701.92 is: 70,084.01
Step by Step Solution
- Step 1: Write the proportion equation
121,520 : 182,361 = 46,701.92 : x - Step 2: Convert to fraction form
121,520/182,361 = 46,701.92/x - Step 3: Cross multiply
121,520x = 182,361 × 46,701.92 - Step 4: Simplify right side
121,520x = 8,516,608,833.12 - Step 5: Solve for x
x = 8,516,608,833.12/121,520 - Step 6: Final answer
x = 70,084.01
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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.