Finding the Fourth Proportional to 317,010.80, 437,486.11 and 173,770.80
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Solution
The fourth proportional to 317,010.80, 437,486.11 and 173,770.80 is: 239,809.85
Step by Step Solution
- Step 1: Write the proportion equation
317,010.80 : 437,486.11 = 173,770.80 : x - Step 2: Convert to fraction form
317,010.80/437,486.11 = 173,770.80/x - Step 3: Cross multiply
317,010.80x = 437,486.11 × 173,770.80 - Step 4: Simplify right side
317,010.80x = 76,022,311,323.59 - Step 5: Solve for x
x = 76,022,311,323.59/317,010.80 - Step 6: Final answer
x = 239,809.85
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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.