Finding the Fourth Proportional to 203,607.60, 305,160.21 and 147,639.84
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Solution
The fourth proportional to 203,607.60, 305,160.21 and 147,639.84 is: 221,277.62
Step by Step Solution
- Step 1: Write the proportion equation
203,607.60 : 305,160.21 = 147,639.84 : x - Step 2: Convert to fraction form
203,607.60/305,160.21 = 147,639.84/x - Step 3: Cross multiply
203,607.60x = 305,160.21 × 147,639.84 - Step 4: Simplify right side
203,607.60x = 45,053,804,578.77 - Step 5: Solve for x
x = 45,053,804,578.77/203,607.60 - Step 6: Final answer
x = 221,277.62
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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.