Finding the Fourth Proportional to 216,448.75, 324,677.99 and 74,293.75
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Solution
The fourth proportional to 216,448.75, 324,677.99 and 74,293.75 is: 111,442.29
Step by Step Solution
- Step 1: Write the proportion equation
216,448.75 : 324,677.99 = 74,293.75 : x - Step 2: Convert to fraction form
216,448.75/324,677.99 = 74,293.75/x - Step 3: Cross multiply
216,448.75x = 324,677.99 × 74,293.75 - Step 4: Simplify right side
216,448.75x = 24,121,545,419.56 - Step 5: Solve for x
x = 24,121,545,419.56/216,448.75 - Step 6: Final answer
x = 111,442.29
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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.