Finding the Fourth Proportional to 181,779.74, 250,855.48 and 101,205.18
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Solution
The fourth proportional to 181,779.74, 250,855.48 and 101,205.18 is: 139,662.84
Step by Step Solution
- Step 1: Write the proportion equation
181,779.74 : 250,855.48 = 101,205.18 : x - Step 2: Convert to fraction form
181,779.74/250,855.48 = 101,205.18/x - Step 3: Cross multiply
181,779.74x = 250,855.48 × 101,205.18 - Step 4: Simplify right side
181,779.74x = 25,387,874,007.39 - Step 5: Solve for x
x = 25,387,874,007.39/181,779.74 - Step 6: Final answer
x = 139,662.84
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1.5x scale
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.