Finding the Fourth Proportional to 275,740.19, 413,252.68 and 123,825.09
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Solution
The fourth proportional to 275,740.19, 413,252.68 and 123,825.09 is: 185,577.05
Step by Step Solution
- Step 1: Write the proportion equation
275,740.19 : 413,252.68 = 123,825.09 : x - Step 2: Convert to fraction form
275,740.19/413,252.68 = 123,825.09/x - Step 3: Cross multiply
275,740.19x = 413,252.68 × 123,825.09 - Step 4: Simplify right side
275,740.19x = 51,171,051,766.05 - Step 5: Solve for x
x = 51,171,051,766.05/275,740.19 - Step 6: Final answer
x = 185,577.05
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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.