Finding the Fourth Proportional to 212,502.02, 293,186.97 and 120,606.53
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Solution
The fourth proportional to 212,502.02, 293,186.97 and 120,606.53 is: 166,399.65
Step by Step Solution
- Step 1: Write the proportion equation
212,502.02 : 293,186.97 = 120,606.53 : x - Step 2: Convert to fraction form
212,502.02/293,186.97 = 120,606.53/x - Step 3: Cross multiply
212,502.02x = 293,186.97 × 120,606.53 - Step 4: Simplify right side
212,502.02x = 35,360,261,626.98 - Step 5: Solve for x
x = 35,360,261,626.98/212,502.02 - Step 6: Final answer
x = 166,399.65
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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.