Finding the Fourth Proportional to 327,214.40, 490,821.60 and 177,526.40
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Solution
The fourth proportional to 327,214.40, 490,821.60 and 177,526.40 is: 266,289.60
Step by Step Solution
- Step 1: Write the proportion equation
327,214.40 : 490,821.60 = 177,526.40 : x - Step 2: Convert to fraction form
327,214.40/490,821.60 = 177,526.40/x - Step 3: Cross multiply
327,214.40x = 490,821.60 × 177,526.40 - Step 4: Simplify right side
327,214.40x = 87,133,791,690.24 - Step 5: Solve for x
x = 87,133,791,690.24/327,214.40 - Step 6: Final answer
x = 266,289.60
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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.