Finding the Fourth Proportional to 121,201.74, 181,763.37 and 44,253.90
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Solution
The fourth proportional to 121,201.74, 181,763.37 and 44,253.90 is: 66,366.52
Step by Step Solution
- Step 1: Write the proportion equation
121,201.74 : 181,763.37 = 44,253.90 : x - Step 2: Convert to fraction form
121,201.74/181,763.37 = 44,253.90/x - Step 3: Cross multiply
121,201.74x = 181,763.37 × 44,253.90 - Step 4: Simplify right side
121,201.74x = 8,043,737,999.64 - Step 5: Solve for x
x = 8,043,737,999.64/121,201.74 - Step 6: Final answer
x = 66,366.52
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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.