Finding the Fourth Proportional to 366,578.28, 549,788.22 and 129,928.68
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Solution
The fourth proportional to 366,578.28, 549,788.22 and 129,928.68 is: 194,864.95
Step by Step Solution
- Step 1: Write the proportion equation
366,578.28 : 549,788.22 = 129,928.68 : x - Step 2: Convert to fraction form
366,578.28/549,788.22 = 129,928.68/x - Step 3: Cross multiply
366,578.28x = 549,788.22 × 129,928.68 - Step 4: Simplify right side
366,578.28x = 71,433,257,704.15 - Step 5: Solve for x
x = 71,433,257,704.15/366,578.28 - Step 6: Final answer
x = 194,864.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.