Finding the Fourth Proportional to 213,168.99, 294,173.26 and 117,675.75
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Solution
The fourth proportional to 213,168.99, 294,173.26 and 117,675.75 is: 162,392.56
Step by Step Solution
- Step 1: Write the proportion equation
213,168.99 : 294,173.26 = 117,675.75 : x - Step 2: Convert to fraction form
213,168.99/294,173.26 = 117,675.75/x - Step 3: Cross multiply
213,168.99x = 294,173.26 × 117,675.75 - Step 4: Simplify right side
213,168.99x = 34,617,059,000.45 - Step 5: Solve for x
x = 34,617,059,000.45/213,168.99 - Step 6: Final answer
x = 162,392.56
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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.