Finding the Fourth Proportional to 426,653.76, 588,770.94 and 235,663.05
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Solution
The fourth proportional to 426,653.76, 588,770.94 and 235,663.05 is: 325,208.80
Step by Step Solution
- Step 1: Write the proportion equation
426,653.76 : 588,770.94 = 235,663.05 : x - Step 2: Convert to fraction form
426,653.76/588,770.94 = 235,663.05/x - Step 3: Cross multiply
426,653.76x = 588,770.94 × 235,663.05 - Step 4: Simplify right side
426,653.76x = 138,751,555,471.77 - Step 5: Solve for x
x = 138,751,555,471.77/426,653.76 - Step 6: Final answer
x = 325,208.80
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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.