Finding the Fourth Proportional to 202,122.68, 303,430.05 and 102,231.45
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Solution
The fourth proportional to 202,122.68, 303,430.05 and 102,231.45 is: 153,471.62
Step by Step Solution
- Step 1: Write the proportion equation
202,122.68 : 303,430.05 = 102,231.45 : x - Step 2: Convert to fraction form
202,122.68/303,430.05 = 102,231.45/x - Step 3: Cross multiply
202,122.68x = 303,430.05 × 102,231.45 - Step 4: Simplify right side
202,122.68x = 31,020,093,985.07 - Step 5: Solve for x
x = 31,020,093,985.07/202,122.68 - Step 6: Final answer
x = 153,471.62
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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.