Finding the Fourth Proportional to 213,153.62, 294,150.97 and 117,659.48
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Solution
The fourth proportional to 213,153.62, 294,150.97 and 117,659.48 is: 162,369.52
Step by Step Solution
- Step 1: Write the proportion equation
213,153.62 : 294,150.97 = 117,659.48 : x - Step 2: Convert to fraction form
213,153.62/294,150.97 = 117,659.48/x - Step 3: Cross multiply
213,153.62x = 294,150.97 × 117,659.48 - Step 4: Simplify right side
213,153.62x = 34,609,650,171.70 - Step 5: Solve for x
x = 34,609,650,171.70/213,153.62 - Step 6: Final answer
x = 162,369.52
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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.