Finding the Fourth Proportional to 213,175.99, 294,175.20 and 117,680.64
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Solution
The fourth proportional to 213,175.99, 294,175.20 and 117,680.64 is: 162,395.05
Step by Step Solution
- Step 1: Write the proportion equation
213,175.99 : 294,175.20 = 117,680.64 : x - Step 2: Convert to fraction form
213,175.99/294,175.20 = 117,680.64/x - Step 3: Cross multiply
213,175.99x = 294,175.20 × 117,680.64 - Step 4: Simplify right side
213,175.99x = 34,618,725,808.13 - Step 5: Solve for x
x = 34,618,725,808.13/213,175.99 - Step 6: Final answer
x = 162,395.05
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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.