Finding the Fourth Proportional to 236,194.05, 325,941.29 and 128,764.05
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Solution
The fourth proportional to 236,194.05, 325,941.29 and 128,764.05 is: 177,690.85
Step by Step Solution
- Step 1: Write the proportion equation
236,194.05 : 325,941.29 = 128,764.05 : x - Step 2: Convert to fraction form
236,194.05/325,941.29 = 128,764.05/x - Step 3: Cross multiply
236,194.05x = 325,941.29 × 128,764.05 - Step 4: Simplify right side
236,194.05x = 41,969,522,291.67 - Step 5: Solve for x
x = 41,969,522,291.67/236,194.05 - Step 6: Final answer
x = 177,690.85
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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.