Finding the Fourth Proportional to 121,240.86, 182,193.57 and 114,362.70
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Solution
The fourth proportional to 121,240.86, 182,193.57 and 114,362.70 is: 171,857.48
Step by Step Solution
- Step 1: Write the proportion equation
121,240.86 : 182,193.57 = 114,362.70 : x - Step 2: Convert to fraction form
121,240.86/182,193.57 = 114,362.70/x - Step 3: Cross multiply
121,240.86x = 182,193.57 × 114,362.70 - Step 4: Simplify right side
121,240.86x = 20,836,148,587.84 - Step 5: Solve for x
x = 20,836,148,587.84/121,240.86 - Step 6: Final answer
x = 171,857.48
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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.