Finding the Fourth Proportional to 275,534.87, 413,306.69 and 104,759.19
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Solution
The fourth proportional to 275,534.87, 413,306.69 and 104,759.19 is: 157,140.45
Step by Step Solution
- Step 1: Write the proportion equation
275,534.87 : 413,306.69 = 104,759.19 : x - Step 2: Convert to fraction form
275,534.87/413,306.69 = 104,759.19/x - Step 3: Cross multiply
275,534.87x = 413,306.69 × 104,759.19 - Step 4: Simplify right side
275,534.87x = 43,297,672,379.76 - Step 5: Solve for x
x = 43,297,672,379.76/275,534.87 - Step 6: Final answer
x = 157,140.45
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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.