Finding the Fourth Proportional to 235,691.10, 353,990.25 and 202,033.98
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Solution
The fourth proportional to 235,691.10, 353,990.25 and 202,033.98 is: 303,439.80
Step by Step Solution
- Step 1: Write the proportion equation
235,691.10 : 353,990.25 = 202,033.98 : x - Step 2: Convert to fraction form
235,691.10/353,990.25 = 202,033.98/x - Step 3: Cross multiply
235,691.10x = 353,990.25 × 202,033.98 - Step 4: Simplify right side
235,691.10x = 71,518,059,088.70 - Step 5: Solve for x
x = 71,518,059,088.70/235,691.10 - Step 6: Final answer
x = 303,439.80
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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.