Finding the Fourth Proportional to 859,025.89, 1,288,537.21 and 227,890.09
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Solution
The fourth proportional to 859,025.89, 1,288,537.21 and 227,890.09 is: 341,834.70
Step by Step Solution
- Step 1: Write the proportion equation
859,025.89 : 1,288,537.21 = 227,890.09 : x - Step 2: Convert to fraction form
859,025.89/1,288,537.21 = 227,890.09/x - Step 3: Cross multiply
859,025.89x = 1,288,537.21 × 227,890.09 - Step 4: Simplify right side
859,025.89x = 293,644,860,755.25 - Step 5: Solve for x
x = 293,644,860,755.25/859,025.89 - Step 6: Final answer
x = 341,834.70
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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.