Finding the Fourth Proportional to 208,858.92, 288,225.84 and 113,365.62
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Solution
The fourth proportional to 208,858.92, 288,225.84 and 113,365.62 is: 156,444.84
Step by Step Solution
- Step 1: Write the proportion equation
208,858.92 : 288,225.84 = 113,365.62 : x - Step 2: Convert to fraction form
208,858.92/288,225.84 = 113,365.62/x - Step 3: Cross multiply
208,858.92x = 288,225.84 × 113,365.62 - Step 4: Simplify right side
208,858.92x = 32,674,901,051.62 - Step 5: Solve for x
x = 32,674,901,051.62/208,858.92 - Step 6: Final answer
x = 156,444.84
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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.