Finding the Fourth Proportional to 169,063.23, 253,235.19 and 137,324.19
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Solution
The fourth proportional to 169,063.23, 253,235.19 and 137,324.19 is: 205,694.15
Step by Step Solution
- Step 1: Write the proportion equation
169,063.23 : 253,235.19 = 137,324.19 : x - Step 2: Convert to fraction form
169,063.23/253,235.19 = 137,324.19/x - Step 3: Cross multiply
169,063.23x = 253,235.19 × 137,324.19 - Step 4: Simplify right side
169,063.23x = 34,775,317,346.25 - Step 5: Solve for x
x = 34,775,317,346.25/169,063.23 - Step 6: Final answer
x = 205,694.15
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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.