Finding the Fourth Proportional to 212,327.27, 293,002.84 and 115,531.53
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Solution
The fourth proportional to 212,327.27, 293,002.84 and 115,531.53 is: 159,428.73
Step by Step Solution
- Step 1: Write the proportion equation
212,327.27 : 293,002.84 = 115,531.53 : x - Step 2: Convert to fraction form
212,327.27/293,002.84 = 115,531.53/x - Step 3: Cross multiply
212,327.27x = 293,002.84 × 115,531.53 - Step 4: Simplify right side
212,327.27x = 33,851,066,399.55 - Step 5: Solve for x
x = 33,851,066,399.55/212,327.27 - Step 6: Final answer
x = 159,428.73
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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.