Finding the Fourth Proportional to 404,859.44, 606,882.74 and 138,437.75
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Solution
The fourth proportional to 404,859.44, 606,882.74 and 138,437.75 is: 207,517.65
Step by Step Solution
- Step 1: Write the proportion equation
404,859.44 : 606,882.74 = 138,437.75 : x - Step 2: Convert to fraction form
404,859.44/606,882.74 = 138,437.75/x - Step 3: Cross multiply
404,859.44x = 606,882.74 × 138,437.75 - Step 4: Simplify right side
404,859.44x = 84,015,477,312.83 - Step 5: Solve for x
x = 84,015,477,312.83/404,859.44 - Step 6: Final answer
x = 207,517.65
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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.