Finding the Fourth Proportional to 376,566.90, 564,672.15 and 218,843.70
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Solution
The fourth proportional to 376,566.90, 564,672.15 and 218,843.70 is: 328,161.99
Step by Step Solution
- Step 1: Write the proportion equation
376,566.90 : 564,672.15 = 218,843.70 : x - Step 2: Convert to fraction form
376,566.90/564,672.15 = 218,843.70/x - Step 3: Cross multiply
376,566.90x = 564,672.15 × 218,843.70 - Step 4: Simplify right side
376,566.90x = 123,574,942,592.96 - Step 5: Solve for x
x = 123,574,942,592.96/376,566.90 - Step 6: Final answer
x = 328,161.99
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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.