Finding the Fourth Proportional to 213,033.24, 293,985.84 and 117,540.12
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Solution
The fourth proportional to 213,033.24, 293,985.84 and 117,540.12 is: 162,205.35
Step by Step Solution
- Step 1: Write the proportion equation
213,033.24 : 293,985.84 = 117,540.12 : x - Step 2: Convert to fraction form
213,033.24/293,985.84 = 117,540.12/x - Step 3: Cross multiply
213,033.24x = 293,985.84 × 117,540.12 - Step 4: Simplify right side
213,033.24x = 34,555,130,911.90 - Step 5: Solve for x
x = 34,555,130,911.90/213,033.24 - Step 6: Final answer
x = 162,205.35
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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.