Finding the Fourth Proportional to 163,917.24, 245,992.50 and 126,514.68
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Solution
The fourth proportional to 163,917.24, 245,992.50 and 126,514.68 is: 189,862.05
Step by Step Solution
- Step 1: Write the proportion equation
163,917.24 : 245,992.50 = 126,514.68 : x - Step 2: Convert to fraction form
163,917.24/245,992.50 = 126,514.68/x - Step 3: Cross multiply
163,917.24x = 245,992.50 × 126,514.68 - Step 4: Simplify right side
163,917.24x = 31,121,662,419.90 - Step 5: Solve for x
x = 31,121,662,419.90/163,917.24 - Step 6: Final answer
x = 189,862.05
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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.