Finding the Fourth Proportional to 181,345.23, 250,254.56 and 100,770.99
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Solution
The fourth proportional to 181,345.23, 250,254.56 and 100,770.99 is: 139,062.93
Step by Step Solution
- Step 1: Write the proportion equation
181,345.23 : 250,254.56 = 100,770.99 : x - Step 2: Convert to fraction form
181,345.23/250,254.56 = 100,770.99/x - Step 3: Cross multiply
181,345.23x = 250,254.56 × 100,770.99 - Step 4: Simplify right side
181,345.23x = 25,218,399,076.69 - Step 5: Solve for x
x = 25,218,399,076.69/181,345.23 - Step 6: Final answer
x = 139,062.93
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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.