Finding the Fourth Proportional to 217,625.73, 300,352.83 and 122,137.68
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Solution
The fourth proportional to 217,625.73, 300,352.83 and 122,137.68 is: 168,566.46
Step by Step Solution
- Step 1: Write the proportion equation
217,625.73 : 300,352.83 = 122,137.68 : x - Step 2: Convert to fraction form
217,625.73/300,352.83 = 122,137.68/x - Step 3: Cross multiply
217,625.73x = 300,352.83 × 122,137.68 - Step 4: Simplify right side
217,625.73x = 36,684,397,837.63 - Step 5: Solve for x
x = 36,684,397,837.63/217,625.73 - Step 6: Final answer
x = 168,566.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.