Finding the Fourth Proportional to 343,694.93, 515,919.58 and 273,071.57
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Solution
The fourth proportional to 343,694.93, 515,919.58 and 273,071.57 is: 409,907.03
Step by Step Solution
- Step 1: Write the proportion equation
343,694.93 : 515,919.58 = 273,071.57 : x - Step 2: Convert to fraction form
343,694.93/515,919.58 = 273,071.57/x - Step 3: Cross multiply
343,694.93x = 515,919.58 × 273,071.57 - Step 4: Simplify right side
343,694.93x = 140,882,966,442.06 - Step 5: Solve for x
x = 140,882,966,442.06/343,694.93 - Step 6: Final answer
x = 409,907.03
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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.