Finding the Fourth Proportional to 691,063.42, 1,036,647.62 and 235,513.08
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Solution
The fourth proportional to 691,063.42, 1,036,647.62 and 235,513.08 is: 353,287.51
Step by Step Solution
- Step 1: Write the proportion equation
691,063.42 : 1,036,647.62 = 235,513.08 : x - Step 2: Convert to fraction form
691,063.42/1,036,647.62 = 235,513.08/x - Step 3: Cross multiply
691,063.42x = 1,036,647.62 × 235,513.08 - Step 4: Simplify right side
691,063.42x = 244,144,073,860.87 - Step 5: Solve for x
x = 244,144,073,860.87/691,063.42 - Step 6: Final answer
x = 353,287.51
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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.