Finding the Fourth Proportional to 201,176.40, 301,764.60 and 107,864.40
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Solution
The fourth proportional to 201,176.40, 301,764.60 and 107,864.40 is: 161,796.60
Step by Step Solution
- Step 1: Write the proportion equation
201,176.40 : 301,764.60 = 107,864.40 : x - Step 2: Convert to fraction form
201,176.40/301,764.60 = 107,864.40/x - Step 3: Cross multiply
201,176.40x = 301,764.60 × 107,864.40 - Step 4: Simplify right side
201,176.40x = 32,549,657,520.24 - Step 5: Solve for x
x = 32,549,657,520.24/201,176.40 - Step 6: Final answer
x = 161,796.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.