Finding the Fourth Proportional to 109,497.19, 164,245.79 and 26,391.19
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Solution
The fourth proportional to 109,497.19, 164,245.79 and 26,391.19 is: 39,586.79
Step by Step Solution
- Step 1: Write the proportion equation
109,497.19 : 164,245.79 = 26,391.19 : x - Step 2: Convert to fraction form
109,497.19/164,245.79 = 26,391.19/x - Step 3: Cross multiply
109,497.19x = 164,245.79 × 26,391.19 - Step 4: Simplify right side
109,497.19x = 4,334,641,850.59 - Step 5: Solve for x
x = 4,334,641,850.59/109,497.19 - Step 6: Final answer
x = 39,586.79
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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.