Finding the Fourth Proportional to 543,787.63, 815,764.43 and 277,402.81
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Solution
The fourth proportional to 543,787.63, 815,764.43 and 277,402.81 is: 416,146.55
Step by Step Solution
- Step 1: Write the proportion equation
543,787.63 : 815,764.43 = 277,402.81 : x - Step 2: Convert to fraction form
543,787.63/815,764.43 = 277,402.81/x - Step 3: Cross multiply
543,787.63x = 815,764.43 × 277,402.81 - Step 4: Simplify right side
543,787.63x = 226,295,345,180.05 - Step 5: Solve for x
x = 226,295,345,180.05/543,787.63 - Step 6: Final answer
x = 416,146.55
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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.