Finding the Fourth Proportional to 213,168.86, 294,173.08 and 117,675.62
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Solution
The fourth proportional to 213,168.86, 294,173.08 and 117,675.62 is: 162,392.38
Step by Step Solution
- Step 1: Write the proportion equation
213,168.86 : 294,173.08 = 117,675.62 : x - Step 2: Convert to fraction form
213,168.86/294,173.08 = 117,675.62/x - Step 3: Cross multiply
213,168.86x = 294,173.08 × 117,675.62 - Step 4: Simplify right side
213,168.86x = 34,616,999,576.31 - Step 5: Solve for x
x = 34,616,999,576.31/213,168.86 - Step 6: Final answer
x = 162,392.38
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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.