Finding the Fourth Proportional to 366,687.60, 550,468.80 and 206,890.80
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Solution
The fourth proportional to 366,687.60, 550,468.80 and 206,890.80 is: 310,582.99
Step by Step Solution
- Step 1: Write the proportion equation
366,687.60 : 550,468.80 = 206,890.80 : x - Step 2: Convert to fraction form
366,687.60/550,468.80 = 206,890.80/x - Step 3: Cross multiply
366,687.60x = 550,468.80 × 206,890.80 - Step 4: Simplify right side
366,687.60x = 113,886,930,407.04 - Step 5: Solve for x
x = 113,886,930,407.04/366,687.60 - Step 6: Final answer
x = 310,582.99
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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.