Finding the Fourth Proportional to 258,792.87, 357,051.72 and 145,593.75
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Solution
The fourth proportional to 258,792.87, 357,051.72 and 145,593.75 is: 200,872.99
Step by Step Solution
- Step 1: Write the proportion equation
258,792.87 : 357,051.72 = 145,593.75 : x - Step 2: Convert to fraction form
258,792.87/357,051.72 = 145,593.75/x - Step 3: Cross multiply
258,792.87x = 357,051.72 × 145,593.75 - Step 4: Simplify right side
258,792.87x = 51,984,498,858.75 - Step 5: Solve for x
x = 51,984,498,858.75/258,792.87 - Step 6: Final answer
x = 200,872.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.