Finding the Fourth Proportional to 317,188.09, 437,679.21 and 181,230.84
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Solution
The fourth proportional to 317,188.09, 437,679.21 and 181,230.84 is: 250,075.50
Step by Step Solution
- Step 1: Write the proportion equation
317,188.09 : 437,679.21 = 181,230.84 : x - Step 2: Convert to fraction form
317,188.09/437,679.21 = 181,230.84/x - Step 3: Cross multiply
317,188.09x = 437,679.21 × 181,230.84 - Step 4: Simplify right side
317,188.09x = 79,320,970,878.84 - Step 5: Solve for x
x = 79,320,970,878.84/317,188.09 - Step 6: Final answer
x = 250,075.50
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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.