Finding the Fourth Proportional to 203,537.68, 280,557.44 and 160,446.90
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Solution
The fourth proportional to 203,537.68, 280,557.44 and 160,446.90 is: 221,160.88
Step by Step Solution
- Step 1: Write the proportion equation
203,537.68 : 280,557.44 = 160,446.90 : x - Step 2: Convert to fraction form
203,537.68/280,557.44 = 160,446.90/x - Step 3: Cross multiply
203,537.68x = 280,557.44 × 160,446.90 - Step 4: Simplify right side
203,537.68x = 45,014,571,519.94 - Step 5: Solve for x
x = 45,014,571,519.94/203,537.68 - Step 6: Final answer
x = 221,160.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.