Finding the Fourth Proportional to 202,602.88, 303,811.92 and 84,203.68
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Solution
The fourth proportional to 202,602.88, 303,811.92 and 84,203.68 is: 126,267.12
Step by Step Solution
- Step 1: Write the proportion equation
202,602.88 : 303,811.92 = 84,203.68 : x - Step 2: Convert to fraction form
202,602.88/303,811.92 = 84,203.68/x - Step 3: Cross multiply
202,602.88x = 303,811.92 × 84,203.68 - Step 4: Simplify right side
202,602.88x = 25,582,081,691.87 - Step 5: Solve for x
x = 25,582,081,691.87/202,602.88 - Step 6: Final answer
x = 126,267.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.