Finding the Fourth Proportional to 273,929.26, 378,015.11 and 153,071.54
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Solution
The fourth proportional to 273,929.26, 378,015.11 and 153,071.54 is: 211,234.66
Step by Step Solution
- Step 1: Write the proportion equation
273,929.26 : 378,015.11 = 153,071.54 : x - Step 2: Convert to fraction form
273,929.26/378,015.11 = 153,071.54/x - Step 3: Cross multiply
273,929.26x = 378,015.11 × 153,071.54 - Step 4: Simplify right side
273,929.26x = 57,863,355,228.14 - Step 5: Solve for x
x = 57,863,355,228.14/273,929.26 - Step 6: Final answer
x = 211,234.66
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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.