Finding the Fourth Proportional to 181,714.80, 272,863.80 and 122,811.60
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Solution
The fourth proportional to 181,714.80, 272,863.80 and 122,811.60 is: 184,414.48
Step by Step Solution
- Step 1: Write the proportion equation
181,714.80 : 272,863.80 = 122,811.60 : x - Step 2: Convert to fraction form
181,714.80/272,863.80 = 122,811.60/x - Step 3: Cross multiply
181,714.80x = 272,863.80 × 122,811.60 - Step 4: Simplify right side
181,714.80x = 33,510,839,860.08 - Step 5: Solve for x
x = 33,510,839,860.08/181,714.80 - Step 6: Final answer
x = 184,414.48
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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.