Finding the Fourth Proportional to 236,680.42, 326,616.82 and 129,250.12
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Solution
The fourth proportional to 236,680.42, 326,616.82 and 129,250.12 is: 178,363.99
Step by Step Solution
- Step 1: Write the proportion equation
236,680.42 : 326,616.82 = 129,250.12 : x - Step 2: Convert to fraction form
236,680.42/326,616.82 = 129,250.12/x - Step 3: Cross multiply
236,680.42x = 326,616.82 × 129,250.12 - Step 4: Simplify right side
236,680.42x = 42,215,263,179.02 - Step 5: Solve for x
x = 42,215,263,179.02/236,680.42 - Step 6: Final answer
x = 178,363.99
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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.