Finding the Fourth Proportional to 163,447.96, 225,563.99 and 91,826.54
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Solution
The fourth proportional to 163,447.96, 225,563.99 and 91,826.54 is: 126,723.89
Step by Step Solution
- Step 1: Write the proportion equation
163,447.96 : 225,563.99 = 91,826.54 : x - Step 2: Convert to fraction form
163,447.96/225,563.99 = 91,826.54/x - Step 3: Cross multiply
163,447.96x = 225,563.99 × 91,826.54 - Step 4: Simplify right side
163,447.96x = 20,712,760,750.29 - Step 5: Solve for x
x = 20,712,760,750.29/163,447.96 - Step 6: Final answer
x = 126,723.89
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1.5x scale
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.