Finding the Fourth Proportional to 327,102.76, 490,363.26 and 127,376.68
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Solution
The fourth proportional to 327,102.76, 490,363.26 and 127,376.68 is: 190,951.75
Step by Step Solution
- Step 1: Write the proportion equation
327,102.76 : 490,363.26 = 127,376.68 : x - Step 2: Convert to fraction form
327,102.76/490,363.26 = 127,376.68/x - Step 3: Cross multiply
327,102.76x = 490,363.26 × 127,376.68 - Step 4: Simplify right side
327,102.76x = 62,460,844,052.78 - Step 5: Solve for x
x = 62,460,844,052.78/327,102.76 - Step 6: Final answer
x = 190,951.75
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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.