Finding the Fourth Proportional to 404,431.76, 606,647.84 and 138,194.88
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Solution
The fourth proportional to 404,431.76, 606,647.84 and 138,194.88 is: 207,292.39
Step by Step Solution
- Step 1: Write the proportion equation
404,431.76 : 606,647.84 = 138,194.88 : x - Step 2: Convert to fraction form
404,431.76/606,647.84 = 138,194.88/x - Step 3: Cross multiply
404,431.76x = 606,647.84 × 138,194.88 - Step 4: Simplify right side
404,431.76x = 83,835,625,451.06 - Step 5: Solve for x
x = 83,835,625,451.06/404,431.76 - Step 6: Final answer
x = 207,292.39
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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.