Finding the Fourth Proportional to 331,811.44, 497,719.01 and 82,493.44
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Solution
The fourth proportional to 331,811.44, 497,719.01 and 82,493.44 is: 123,740.62
Step by Step Solution
- Step 1: Write the proportion equation
331,811.44 : 497,719.01 = 82,493.44 : x - Step 2: Convert to fraction form
331,811.44/497,719.01 = 82,493.44/x - Step 3: Cross multiply
331,811.44x = 497,719.01 × 82,493.44 - Step 4: Simplify right side
331,811.44x = 41,058,552,250.23 - Step 5: Solve for x
x = 41,058,552,250.23/331,811.44 - Step 6: Final answer
x = 123,740.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.