Finding the Fourth Proportional to 163,285.06, 225,317.97 and 91,651.09
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Solution
The fourth proportional to 163,285.06, 225,317.97 and 91,651.09 is: 126,469.85
Step by Step Solution
- Step 1: Write the proportion equation
163,285.06 : 225,317.97 = 91,651.09 : x - Step 2: Convert to fraction form
163,285.06/225,317.97 = 91,651.09/x - Step 3: Cross multiply
163,285.06x = 225,317.97 × 91,651.09 - Step 4: Simplify right side
163,285.06x = 20,650,635,962.24 - Step 5: Solve for x
x = 20,650,635,962.24/163,285.06 - Step 6: Final answer
x = 126,469.85
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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.