Finding the Fourth Proportional to 366,912.20, 550,368.30 and 331,482.80
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Solution
The fourth proportional to 366,912.20, 550,368.30 and 331,482.80 is: 497,224.20
Step by Step Solution
- Step 1: Write the proportion equation
366,912.20 : 550,368.30 = 331,482.80 : x - Step 2: Convert to fraction form
366,912.20/550,368.30 = 331,482.80/x - Step 3: Cross multiply
366,912.20x = 550,368.30 × 331,482.80 - Step 4: Simplify right side
366,912.20x = 182,437,625,115.24 - Step 5: Solve for x
x = 182,437,625,115.24/366,912.20 - Step 6: Final answer
x = 497,224.20
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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.