Finding the Fourth Proportional to 543,819.99, 815,812.74 and 277,435.02
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Solution
The fourth proportional to 543,819.99, 815,812.74 and 277,435.02 is: 416,194.75
Step by Step Solution
- Step 1: Write the proportion equation
543,819.99 : 815,812.74 = 277,435.02 : x - Step 2: Convert to fraction form
543,819.99/815,812.74 = 277,435.02/x - Step 3: Cross multiply
543,819.99x = 815,812.74 × 277,435.02 - Step 4: Simplify right side
543,819.99x = 226,335,023,838.16 - Step 5: Solve for x
x = 226,335,023,838.16/543,819.99 - Step 6: Final answer
x = 416,194.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.