Finding the Fourth Proportional to 181,664.36, 250,687.49 and 138,673.92
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Solution
The fourth proportional to 181,664.36, 250,687.49 and 138,673.92 is: 191,362.90
Step by Step Solution
- Step 1: Write the proportion equation
181,664.36 : 250,687.49 = 138,673.92 : x - Step 2: Convert to fraction form
181,664.36/250,687.49 = 138,673.92/x - Step 3: Cross multiply
181,664.36x = 250,687.49 × 138,673.92 - Step 4: Simplify right side
181,664.36x = 34,763,817,279.95 - Step 5: Solve for x
x = 34,763,817,279.95/181,664.36 - Step 6: Final answer
x = 191,362.90
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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.