Finding the Fourth Proportional to 236,716.44, 326,655.96 and 129,265.56
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Solution
The fourth proportional to 236,716.44, 326,655.96 and 129,265.56 is: 178,379.52
Step by Step Solution
- Step 1: Write the proportion equation
236,716.44 : 326,655.96 = 129,265.56 : x - Step 2: Convert to fraction form
236,716.44/326,655.96 = 129,265.56/x - Step 3: Cross multiply
236,716.44x = 326,655.96 × 129,265.56 - Step 4: Simplify right side
236,716.44x = 42,225,365,596.74 - Step 5: Solve for x
x = 42,225,365,596.74/236,716.44 - Step 6: Final answer
x = 178,379.52
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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.