Finding the Fourth Proportional to 492,381.73, 738,651.30 and 208,074.99
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Solution
The fourth proportional to 492,381.73, 738,651.30 and 208,074.99 is: 312,145.75
Step by Step Solution
- Step 1: Write the proportion equation
492,381.73 : 738,651.30 = 208,074.99 : x - Step 2: Convert to fraction form
492,381.73/738,651.30 = 208,074.99/x - Step 3: Cross multiply
492,381.73x = 738,651.30 × 208,074.99 - Step 4: Simplify right side
492,381.73x = 153,694,865,021.07 - Step 5: Solve for x
x = 153,694,865,021.07/492,381.73 - Step 6: Final answer
x = 312,145.75
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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.