Finding the Fourth Proportional to 213,577.92, 320,492.16 and 113,811.84
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Solution
The fourth proportional to 213,577.92, 320,492.16 and 113,811.84 is: 170,784.52
Step by Step Solution
- Step 1: Write the proportion equation
213,577.92 : 320,492.16 = 113,811.84 : x - Step 2: Convert to fraction form
213,577.92/320,492.16 = 113,811.84/x - Step 3: Cross multiply
213,577.92x = 320,492.16 × 113,811.84 - Step 4: Simplify right side
213,577.92x = 36,475,802,435.17 - Step 5: Solve for x
x = 36,475,802,435.17/213,577.92 - Step 6: Final answer
x = 170,784.52
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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.