Finding the Fourth Proportional to 166,478.49, 229,741.19 and 91,026.99
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Solution
The fourth proportional to 166,478.49, 229,741.19 and 91,026.99 is: 125,617.72
Step by Step Solution
- Step 1: Write the proportion equation
166,478.49 : 229,741.19 = 91,026.99 : x - Step 2: Convert to fraction form
166,478.49/229,741.19 = 91,026.99/x - Step 3: Cross multiply
166,478.49x = 229,741.19 × 91,026.99 - Step 4: Simplify right side
166,478.49x = 20,912,649,004.72 - Step 5: Solve for x
x = 20,912,649,004.72/166,478.49 - Step 6: Final answer
x = 125,617.72
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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.