Finding the Fourth Proportional to 345,819.88, 477,625.09 and 232,445.80
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Solution
The fourth proportional to 345,819.88, 477,625.09 and 232,445.80 is: 321,039.80
Step by Step Solution
- Step 1: Write the proportion equation
345,819.88 : 477,625.09 = 232,445.80 : x - Step 2: Convert to fraction form
345,819.88/477,625.09 = 232,445.80/x - Step 3: Cross multiply
345,819.88x = 477,625.09 × 232,445.80 - Step 4: Simplify right side
345,819.88x = 111,021,943,175.88 - Step 5: Solve for x
x = 111,021,943,175.88/345,819.88 - Step 6: Final answer
x = 321,039.80
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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.