Finding the Fourth Proportional to 272,305.80, 408,458.70 and 202,321.80
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Solution
The fourth proportional to 272,305.80, 408,458.70 and 202,321.80 is: 303,482.70
Step by Step Solution
- Step 1: Write the proportion equation
272,305.80 : 408,458.70 = 202,321.80 : x - Step 2: Convert to fraction form
272,305.80/408,458.70 = 202,321.80/x - Step 3: Cross multiply
272,305.80x = 408,458.70 × 202,321.80 - Step 4: Simplify right side
272,305.80x = 82,640,099,409.66 - Step 5: Solve for x
x = 82,640,099,409.66/272,305.80 - Step 6: Final answer
x = 303,482.70
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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.