Finding the Fourth Proportional to 236,743.88, 326,704.61 and 129,313.94
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Solution
The fourth proportional to 236,743.88, 326,704.61 and 129,313.94 is: 178,452.17
Step by Step Solution
- Step 1: Write the proportion equation
236,743.88 : 326,704.61 = 129,313.94 : x - Step 2: Convert to fraction form
236,743.88/326,704.61 = 129,313.94/x - Step 3: Cross multiply
236,743.88x = 326,704.61 × 129,313.94 - Step 4: Simplify right side
236,743.88x = 42,247,459,025.03 - Step 5: Solve for x
x = 42,247,459,025.03/236,743.88 - Step 6: Final answer
x = 178,452.17
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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.