Finding the Fourth Proportional to 204,577.92, 306,998.82 and 86,249.88
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Solution
The fourth proportional to 204,577.92, 306,998.82 and 86,249.88 is: 129,430.45
Step by Step Solution
- Step 1: Write the proportion equation
204,577.92 : 306,998.82 = 86,249.88 : x - Step 2: Convert to fraction form
204,577.92/306,998.82 = 86,249.88/x - Step 3: Cross multiply
204,577.92x = 306,998.82 × 86,249.88 - Step 4: Simplify right side
204,577.92x = 26,478,611,385.14 - Step 5: Solve for x
x = 26,478,611,385.14/204,577.92 - Step 6: Final answer
x = 129,430.45
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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.