Finding the Fourth Proportional to 250,145.23, 345,197.94 and 135,420.84
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Solution
The fourth proportional to 250,145.23, 345,197.94 and 135,420.84 is: 186,879.42
Step by Step Solution
- Step 1: Write the proportion equation
250,145.23 : 345,197.94 = 135,420.84 : x - Step 2: Convert to fraction form
250,145.23/345,197.94 = 135,420.84/x - Step 3: Cross multiply
250,145.23x = 345,197.94 × 135,420.84 - Step 4: Simplify right side
250,145.23x = 46,746,994,093.68 - Step 5: Solve for x
x = 46,746,994,093.68/250,145.23 - Step 6: Final answer
x = 186,879.42
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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.