Finding the Fourth Proportional to 327,126.45, 490,689.05 and 102,504.09
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Solution
The fourth proportional to 327,126.45, 490,689.05 and 102,504.09 is: 153,755.94
Step by Step Solution
- Step 1: Write the proportion equation
327,126.45 : 490,689.05 = 102,504.09 : x - Step 2: Convert to fraction form
327,126.45/490,689.05 = 102,504.09/x - Step 3: Cross multiply
327,126.45x = 490,689.05 × 102,504.09 - Step 4: Simplify right side
327,126.45x = 50,297,634,030.69 - Step 5: Solve for x
x = 50,297,634,030.69/327,126.45 - Step 6: Final answer
x = 153,755.94
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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.