Finding the Fourth Proportional to 212,727.44, 293,577.69 and 122,112.74
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Solution
The fourth proportional to 212,727.44, 293,577.69 and 122,112.74 is: 168,523.52
Step by Step Solution
- Step 1: Write the proportion equation
212,727.44 : 293,577.69 = 122,112.74 : x - Step 2: Convert to fraction form
212,727.44/293,577.69 = 122,112.74/x - Step 3: Cross multiply
212,727.44x = 293,577.69 × 122,112.74 - Step 4: Simplify right side
212,727.44x = 35,849,576,128.77 - Step 5: Solve for x
x = 35,849,576,128.77/212,727.44 - Step 6: Final answer
x = 168,523.52
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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.