Finding the Fourth Proportional to 129,249.09, 193,873.70 and 59,079.20
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Solution
The fourth proportional to 129,249.09, 193,873.70 and 59,079.20 is: 88,618.82
Step by Step Solution
- Step 1: Write the proportion equation
129,249.09 : 193,873.70 = 59,079.20 : x - Step 2: Convert to fraction form
129,249.09/193,873.70 = 59,079.20/x - Step 3: Cross multiply
129,249.09x = 193,873.70 × 59,079.20 - Step 4: Simplify right side
129,249.09x = 11,453,901,832.28 - Step 5: Solve for x
x = 11,453,901,832.28/129,249.09 - Step 6: Final answer
x = 88,618.82
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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.