Finding the Fourth Proportional to 389,766.62, 584,834.99 and 270,007.88
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Solution
The fourth proportional to 389,766.62, 584,834.99 and 270,007.88 is: 405,140.01
Step by Step Solution
- Step 1: Write the proportion equation
389,766.62 : 584,834.99 = 270,007.88 : x - Step 2: Convert to fraction form
389,766.62/584,834.99 = 270,007.88/x - Step 3: Cross multiply
389,766.62x = 584,834.99 × 270,007.88 - Step 4: Simplify right side
389,766.62x = 157,910,051,525.51 - Step 5: Solve for x
x = 157,910,051,525.51/389,766.62 - Step 6: Final answer
x = 405,140.01
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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.