Finding the Fourth Proportional to 168,467.24, 232,478.66 and 91,984.92
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Solution
The fourth proportional to 168,467.24, 232,478.66 and 91,984.92 is: 126,935.84
Step by Step Solution
- Step 1: Write the proportion equation
168,467.24 : 232,478.66 = 91,984.92 : x - Step 2: Convert to fraction form
168,467.24/232,478.66 = 91,984.92/x - Step 3: Cross multiply
168,467.24x = 232,478.66 × 91,984.92 - Step 4: Simplify right side
168,467.24x = 21,384,530,941.81 - Step 5: Solve for x
x = 21,384,530,941.81/168,467.24 - Step 6: Final answer
x = 126,935.84
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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.