Finding the Fourth Proportional to 181,965.57, 251,117.76 and 105,484.97
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Solution
The fourth proportional to 181,965.57, 251,117.76 and 105,484.97 is: 145,572.31
Step by Step Solution
- Step 1: Write the proportion equation
181,965.57 : 251,117.76 = 105,484.97 : x - Step 2: Convert to fraction form
181,965.57/251,117.76 = 105,484.97/x - Step 3: Cross multiply
181,965.57x = 251,117.76 × 105,484.97 - Step 4: Simplify right side
181,965.57x = 26,489,147,597.05 - Step 5: Solve for x
x = 26,489,147,597.05/181,965.57 - Step 6: Final answer
x = 145,572.31
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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.