Finding the Fourth Proportional to 115,352.30, 159,186.67 and 64,367.26
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Solution
The fourth proportional to 115,352.30, 159,186.67 and 64,367.26 is: 88,827.09
Step by Step Solution
- Step 1: Write the proportion equation
115,352.30 : 159,186.67 = 64,367.26 : x - Step 2: Convert to fraction form
115,352.30/159,186.67 = 64,367.26/x - Step 3: Cross multiply
115,352.30x = 159,186.67 × 64,367.26 - Step 4: Simplify right side
115,352.30x = 10,246,409,217.54 - Step 5: Solve for x
x = 10,246,409,217.54/115,352.30 - Step 6: Final answer
x = 88,827.09
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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.