Finding the Fourth Proportional to 207,637.80, 311,456.70 and 197,269.80
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Solution
The fourth proportional to 207,637.80, 311,456.70 and 197,269.80 is: 295,904.70
Step by Step Solution
- Step 1: Write the proportion equation
207,637.80 : 311,456.70 = 197,269.80 : x - Step 2: Convert to fraction form
207,637.80/311,456.70 = 197,269.80/x - Step 3: Cross multiply
207,637.80x = 311,456.70 × 197,269.80 - Step 4: Simplify right side
207,637.80x = 61,441,000,917.66 - Step 5: Solve for x
x = 61,441,000,917.66/207,637.80 - Step 6: Final answer
x = 295,904.70
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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.