Finding the Fourth Proportional to 216,766.24, 324,974.32 and 199,270.24
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Solution
The fourth proportional to 216,766.24, 324,974.32 and 199,270.24 is: 298,744.45
Step by Step Solution
- Step 1: Write the proportion equation
216,766.24 : 324,974.32 = 199,270.24 : x - Step 2: Convert to fraction form
216,766.24/324,974.32 = 199,270.24/x - Step 3: Cross multiply
216,766.24x = 324,974.32 × 199,270.24 - Step 4: Simplify right side
216,766.24x = 64,757,710,740.24 - Step 5: Solve for x
x = 64,757,710,740.24/216,766.24 - Step 6: Final answer
x = 298,744.45
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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.