Finding the Fourth Proportional to 366,414.09, 549,622.37 and 129,763.68
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Solution
The fourth proportional to 366,414.09, 549,622.37 and 129,763.68 is: 194,645.96
Step by Step Solution
- Step 1: Write the proportion equation
366,414.09 : 549,622.37 = 129,763.68 : x - Step 2: Convert to fraction form
366,414.09/549,622.37 = 129,763.68/x - Step 3: Cross multiply
366,414.09x = 549,622.37 × 129,763.68 - Step 4: Simplify right side
366,414.09x = 71,321,021,341.52 - Step 5: Solve for x
x = 71,321,021,341.52/366,414.09 - Step 6: Final answer
x = 194,645.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.