Finding the Fourth Proportional to 251,615.75, 347,226.26 and 136,893.08
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Solution
The fourth proportional to 251,615.75, 347,226.26 and 136,893.08 is: 188,910.56
Step by Step Solution
- Step 1: Write the proportion equation
251,615.75 : 347,226.26 = 136,893.08 : x - Step 2: Convert to fraction form
251,615.75/347,226.26 = 136,893.08/x - Step 3: Cross multiply
251,615.75x = 347,226.26 × 136,893.08 - Step 4: Simplify right side
251,615.75x = 47,532,872,371.88 - Step 5: Solve for x
x = 47,532,872,371.88/251,615.75 - Step 6: Final answer
x = 188,910.56
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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.