Finding the Fourth Proportional to 285,699.68, 428,545.17 and 69,560.44
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Solution
The fourth proportional to 285,699.68, 428,545.17 and 69,560.44 is: 104,339.60
Step by Step Solution
- Step 1: Write the proportion equation
285,699.68 : 428,545.17 = 69,560.44 : x - Step 2: Convert to fraction form
285,699.68/428,545.17 = 69,560.44/x - Step 3: Cross multiply
285,699.68x = 428,545.17 × 69,560.44 - Step 4: Simplify right side
285,699.68x = 29,809,790,429.90 - Step 5: Solve for x
x = 29,809,790,429.90/285,699.68 - Step 6: Final answer
x = 104,339.60
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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.