Finding the Fourth Proportional to 170,906.99, 256,412.39 and 121,083.48
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Solution
The fourth proportional to 170,906.99, 256,412.39 and 121,083.48 is: 181,662.00
Step by Step Solution
- Step 1: Write the proportion equation
170,906.99 : 256,412.39 = 121,083.48 : x - Step 2: Convert to fraction form
170,906.99/256,412.39 = 121,083.48/x - Step 3: Cross multiply
170,906.99x = 256,412.39 × 121,083.48 - Step 4: Simplify right side
170,906.99x = 31,047,303,890.90 - Step 5: Solve for x
x = 31,047,303,890.90/170,906.99 - Step 6: Final answer
x = 181,662.00
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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.