Finding the Fourth Proportional to 317,518.96, 438,216.60 and 183,382.96
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Solution
The fourth proportional to 317,518.96, 438,216.60 and 183,382.96 is: 253,091.84
Step by Step Solution
- Step 1: Write the proportion equation
317,518.96 : 438,216.60 = 183,382.96 : x - Step 2: Convert to fraction form
317,518.96/438,216.60 = 183,382.96/x - Step 3: Cross multiply
317,518.96x = 438,216.60 × 183,382.96 - Step 4: Simplify right side
317,518.96x = 80,361,457,229.14 - Step 5: Solve for x
x = 80,361,457,229.14/317,518.96 - Step 6: Final answer
x = 253,091.84
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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.