Finding the Fourth Proportional to 291,716.20, 436,918.20 and 173,618.20
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Solution
The fourth proportional to 291,716.20, 436,918.20 and 173,618.20 is: 260,036.81
Step by Step Solution
- Step 1: Write the proportion equation
291,716.20 : 436,918.20 = 173,618.20 : x - Step 2: Convert to fraction form
291,716.20/436,918.20 = 173,618.20/x - Step 3: Cross multiply
291,716.20x = 436,918.20 × 173,618.20 - Step 4: Simplify right side
291,716.20x = 75,856,951,431.24 - Step 5: Solve for x
x = 75,856,951,431.24/291,716.20 - Step 6: Final answer
x = 260,036.81
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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.