Finding the Fourth Proportional to 190,995.76, 263,589.84 and 123,153.96
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Solution
The fourth proportional to 190,995.76, 263,589.84 and 123,153.96 is: 169,962.58
Step by Step Solution
- Step 1: Write the proportion equation
190,995.76 : 263,589.84 = 123,153.96 : x - Step 2: Convert to fraction form
190,995.76/263,589.84 = 123,153.96/x - Step 3: Cross multiply
190,995.76x = 263,589.84 × 123,153.96 - Step 4: Simplify right side
190,995.76x = 32,462,132,611.77 - Step 5: Solve for x
x = 32,462,132,611.77/190,995.76 - Step 6: Final answer
x = 169,962.58
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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.