Finding the Fourth Proportional to 213,184.41, 294,186.75 and 117,689.05
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Solution
The fourth proportional to 213,184.41, 294,186.75 and 117,689.05 is: 162,406.62
Step by Step Solution
- Step 1: Write the proportion equation
213,184.41 : 294,186.75 = 117,689.05 : x - Step 2: Convert to fraction form
213,184.41/294,186.75 = 117,689.05/x - Step 3: Cross multiply
213,184.41x = 294,186.75 × 117,689.05 - Step 4: Simplify right side
213,184.41x = 34,622,559,130.09 - Step 5: Solve for x
x = 34,622,559,130.09/213,184.41 - Step 6: Final answer
x = 162,406.62
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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.