Finding the Fourth Proportional to 351,173.75, 484,621.06 and 190,028.80
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Solution
The fourth proportional to 351,173.75, 484,621.06 and 190,028.80 is: 262,240.44
Step by Step Solution
- Step 1: Write the proportion equation
351,173.75 : 484,621.06 = 190,028.80 : x - Step 2: Convert to fraction form
351,173.75/484,621.06 = 190,028.80/x - Step 3: Cross multiply
351,173.75x = 484,621.06 × 190,028.80 - Step 4: Simplify right side
351,173.75x = 92,091,958,486.53 - Step 5: Solve for x
x = 92,091,958,486.53/351,173.75 - Step 6: Final answer
x = 262,240.44
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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.