Finding the Fourth Proportional to 251,843.25, 347,552.21 and 137,126.34
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Solution
The fourth proportional to 251,843.25, 347,552.21 and 137,126.34 is: 189,238.99
Step by Step Solution
- Step 1: Write the proportion equation
251,843.25 : 347,552.21 = 137,126.34 : x - Step 2: Convert to fraction form
251,843.25/347,552.21 = 137,126.34/x - Step 3: Cross multiply
251,843.25x = 347,552.21 × 137,126.34 - Step 4: Simplify right side
251,843.25x = 47,658,562,516.21 - Step 5: Solve for x
x = 47,658,562,516.21/251,843.25 - Step 6: Final answer
x = 189,238.99
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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.