Finding the Fourth Proportional to 236,563.91, 354,850.86 and 84,770.88
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Solution
The fourth proportional to 236,563.91, 354,850.86 and 84,770.88 is: 127,158.11
Step by Step Solution
- Step 1: Write the proportion equation
236,563.91 : 354,850.86 = 84,770.88 : x - Step 2: Convert to fraction form
236,563.91/354,850.86 = 84,770.88/x - Step 3: Cross multiply
236,563.91x = 354,850.86 × 84,770.88 - Step 4: Simplify right side
236,563.91x = 30,081,019,670.96 - Step 5: Solve for x
x = 30,081,019,670.96/236,563.91 - Step 6: Final answer
x = 127,158.11
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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.