Finding the Fourth Proportional to 229,835.69, 317,173.26 and 129,233.69
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Solution
The fourth proportional to 229,835.69, 317,173.26 and 129,233.69 is: 178,342.50
Step by Step Solution
- Step 1: Write the proportion equation
229,835.69 : 317,173.26 = 129,233.69 : x - Step 2: Convert to fraction form
229,835.69/317,173.26 = 129,233.69/x - Step 3: Cross multiply
229,835.69x = 317,173.26 × 129,233.69 - Step 4: Simplify right side
229,835.69x = 40,989,470,759.13 - Step 5: Solve for x
x = 40,989,470,759.13/229,835.69 - Step 6: Final answer
x = 178,342.50
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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.