Finding the Fourth Proportional to 334,939.24, 501,823.84 and 279,137.94
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Solution
The fourth proportional to 334,939.24, 501,823.84 and 279,137.94 is: 418,219.35
Step by Step Solution
- Step 1: Write the proportion equation
334,939.24 : 501,823.84 = 279,137.94 : x - Step 2: Convert to fraction form
334,939.24/501,823.84 = 279,137.94/x - Step 3: Cross multiply
334,939.24x = 501,823.84 × 279,137.94 - Step 4: Simplify right side
334,939.24x = 140,078,070,884.19 - Step 5: Solve for x
x = 140,078,070,884.19/334,939.24 - Step 6: Final answer
x = 418,219.35
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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.