Finding the Fourth Proportional to 389,544.58, 585,344.33 and 209,762.92
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Solution
The fourth proportional to 389,544.58, 585,344.33 and 209,762.92 is: 315,197.65
Step by Step Solution
- Step 1: Write the proportion equation
389,544.58 : 585,344.33 = 209,762.92 : x - Step 2: Convert to fraction form
389,544.58/585,344.33 = 209,762.92/x - Step 3: Cross multiply
389,544.58x = 585,344.33 × 209,762.92 - Step 4: Simplify right side
389,544.58x = 122,783,535,866.24 - Step 5: Solve for x
x = 122,783,535,866.24/389,544.58 - Step 6: Final answer
x = 315,197.65
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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.