Finding the Fourth Proportional to 251,709.91, 347,375.16 and 144,296.08
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Solution
The fourth proportional to 251,709.91, 347,375.16 and 144,296.08 is: 199,137.47
Step by Step Solution
- Step 1: Write the proportion equation
251,709.91 : 347,375.16 = 144,296.08 : x - Step 2: Convert to fraction form
251,709.91/347,375.16 = 144,296.08/x - Step 3: Cross multiply
251,709.91x = 347,375.16 × 144,296.08 - Step 4: Simplify right side
251,709.91x = 50,124,873,008.93 - Step 5: Solve for x
x = 50,124,873,008.93/251,709.91 - Step 6: Final answer
x = 199,137.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.