Finding the Fourth Proportional to 181,811.40, 272,879.10 and 106,837.80
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Solution
The fourth proportional to 181,811.40, 272,879.10 and 106,837.80 is: 160,351.90
Step by Step Solution
- Step 1: Write the proportion equation
181,811.40 : 272,879.10 = 106,837.80 : x - Step 2: Convert to fraction form
181,811.40/272,879.10 = 106,837.80/x - Step 3: Cross multiply
181,811.40x = 272,879.10 × 106,837.80 - Step 4: Simplify right side
181,811.40x = 29,153,802,709.98 - Step 5: Solve for x
x = 29,153,802,709.98/181,811.40 - Step 6: Final answer
x = 160,351.90
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1.5x scale
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.