Finding the Fourth Proportional to 115,896.26, 173,858.97 and 40,998.80
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Solution
The fourth proportional to 115,896.26, 173,858.97 and 40,998.80 is: 61,503.36
Step by Step Solution
- Step 1: Write the proportion equation
115,896.26 : 173,858.97 = 40,998.80 : x - Step 2: Convert to fraction form
115,896.26/173,858.97 = 40,998.80/x - Step 3: Cross multiply
115,896.26x = 173,858.97 × 40,998.80 - Step 4: Simplify right side
115,896.26x = 7,128,009,139.24 - Step 5: Solve for x
x = 7,128,009,139.24/115,896.26 - Step 6: Final answer
x = 61,503.36
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1.5x scale
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.