Finding the Fourth Proportional to 207,056.96, 285,756.84 and 122,157.44
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Solution
The fourth proportional to 207,056.96, 285,756.84 and 122,157.44 is: 168,588.03
Step by Step Solution
- Step 1: Write the proportion equation
207,056.96 : 285,756.84 = 122,157.44 : x - Step 2: Convert to fraction form
207,056.96/285,756.84 = 122,157.44/x - Step 3: Cross multiply
207,056.96x = 285,756.84 × 122,157.44 - Step 4: Simplify right side
207,056.96x = 34,907,324,036.89 - Step 5: Solve for x
x = 34,907,324,036.89/207,056.96 - Step 6: Final answer
x = 168,588.03
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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.