Finding the Fourth Proportional to 351,533.21, 485,115.67 and 190,388.26
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Solution
The fourth proportional to 351,533.21, 485,115.67 and 190,388.26 is: 262,735.71
Step by Step Solution
- Step 1: Write the proportion equation
351,533.21 : 485,115.67 = 190,388.26 : x - Step 2: Convert to fraction form
351,533.21/485,115.67 = 190,388.26/x - Step 3: Cross multiply
351,533.21x = 485,115.67 × 190,388.26 - Step 4: Simplify right side
351,533.21x = 92,360,328,310.03 - Step 5: Solve for x
x = 92,360,328,310.03/351,533.21 - Step 6: Final answer
x = 262,735.71
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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.