Finding the Fourth Proportional to 202,217.80, 303,326.70 and 135,689.80
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Solution
The fourth proportional to 202,217.80, 303,326.70 and 135,689.80 is: 203,534.70
Step by Step Solution
- Step 1: Write the proportion equation
202,217.80 : 303,326.70 = 135,689.80 : x - Step 2: Convert to fraction form
202,217.80/303,326.70 = 135,689.80/x - Step 3: Cross multiply
202,217.80x = 303,326.70 × 135,689.80 - Step 4: Simplify right side
202,217.80x = 41,158,339,257.66 - Step 5: Solve for x
x = 41,158,339,257.66/202,217.80 - Step 6: Final answer
x = 203,534.70
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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.