Finding the Fourth Proportional to 212,791.94, 293,652.81 and 117,300.23
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Solution
The fourth proportional to 212,791.94, 293,652.81 and 117,300.23 is: 161,874.28
Step by Step Solution
- Step 1: Write the proportion equation
212,791.94 : 293,652.81 = 117,300.23 : x - Step 2: Convert to fraction form
212,791.94/293,652.81 = 117,300.23/x - Step 3: Cross multiply
212,791.94x = 293,652.81 × 117,300.23 - Step 4: Simplify right side
212,791.94x = 34,445,540,684.88 - Step 5: Solve for x
x = 34,445,540,684.88/212,791.94 - Step 6: Final answer
x = 161,874.28
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1.5x scale
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.