Finding the Fourth Proportional to 232,593.76, 321,021.28 and 137,094.88
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Solution
The fourth proportional to 232,593.76, 321,021.28 and 137,094.88 is: 189,215.63
Step by Step Solution
- Step 1: Write the proportion equation
232,593.76 : 321,021.28 = 137,094.88 : x - Step 2: Convert to fraction form
232,593.76/321,021.28 = 137,094.88/x - Step 3: Cross multiply
232,593.76x = 321,021.28 × 137,094.88 - Step 4: Simplify right side
232,593.76x = 44,010,373,859.05 - Step 5: Solve for x
x = 44,010,373,859.05/232,593.76 - Step 6: Final answer
x = 189,215.63
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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.