Finding the Fourth Proportional to 213,905.98, 321,174.36 and 119,320.96
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Solution
The fourth proportional to 213,905.98, 321,174.36 and 119,320.96 is: 179,157.37
Step by Step Solution
- Step 1: Write the proportion equation
213,905.98 : 321,174.36 = 119,320.96 : x - Step 2: Convert to fraction form
213,905.98/321,174.36 = 119,320.96/x - Step 3: Cross multiply
213,905.98x = 321,174.36 × 119,320.96 - Step 4: Simplify right side
213,905.98x = 38,322,832,962.59 - Step 5: Solve for x
x = 38,322,832,962.59/213,905.98 - Step 6: Final answer
x = 179,157.37
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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.