Finding the Fourth Proportional to 351,563.74, 485,157.75 and 190,418.74
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Solution
The fourth proportional to 351,563.74, 485,157.75 and 190,418.74 is: 262,777.75
Step by Step Solution
- Step 1: Write the proportion equation
351,563.74 : 485,157.75 = 190,418.74 : x - Step 2: Convert to fraction form
351,563.74/485,157.75 = 190,418.74/x - Step 3: Cross multiply
351,563.74x = 485,157.75 × 190,418.74 - Step 4: Simplify right side
351,563.74x = 92,383,127,456.24 - Step 5: Solve for x
x = 92,383,127,456.24/351,563.74 - Step 6: Final answer
x = 262,777.75
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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.