Finding the Fourth Proportional to 212,847.42, 293,756.01 and 122,231.70
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Solution
The fourth proportional to 212,847.42, 293,756.01 and 122,231.70 is: 168,695.00
Step by Step Solution
- Step 1: Write the proportion equation
212,847.42 : 293,756.01 = 122,231.70 : x - Step 2: Convert to fraction form
212,847.42/293,756.01 = 122,231.70/x - Step 3: Cross multiply
212,847.42x = 293,756.01 × 122,231.70 - Step 4: Simplify right side
212,847.42x = 35,906,296,487.52 - Step 5: Solve for x
x = 35,906,296,487.52/212,847.42 - Step 6: Final answer
x = 168,695.00
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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.