Finding the Fourth Proportional to 181,965.41, 251,108.88 and 101,391.22
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Solution
The fourth proportional to 181,965.41, 251,108.88 and 101,391.22 is: 139,917.99
Step by Step Solution
- Step 1: Write the proportion equation
181,965.41 : 251,108.88 = 101,391.22 : x - Step 2: Convert to fraction form
181,965.41/251,108.88 = 101,391.22/x - Step 3: Cross multiply
181,965.41x = 251,108.88 × 101,391.22 - Step 4: Simplify right side
181,965.41x = 25,460,235,068.26 - Step 5: Solve for x
x = 25,460,235,068.26/181,965.41 - Step 6: Final answer
x = 139,917.99
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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.