Finding the Fourth Proportional to 207,321.60, 310,593.60 and 193,324.80
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Solution
The fourth proportional to 207,321.60, 310,593.60 and 193,324.80 is: 289,624.65
Step by Step Solution
- Step 1: Write the proportion equation
207,321.60 : 310,593.60 = 193,324.80 : x - Step 2: Convert to fraction form
207,321.60/310,593.60 = 193,324.80/x - Step 3: Cross multiply
207,321.60x = 310,593.60 × 193,324.80 - Step 4: Simplify right side
207,321.60x = 60,045,445,601.28 - Step 5: Solve for x
x = 60,045,445,601.28/207,321.60 - Step 6: Final answer
x = 289,624.65
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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.