Finding the Fourth Proportional to 349,245.18, 482,016.33 and 206,040.42
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Solution
The fourth proportional to 349,245.18, 482,016.33 and 206,040.42 is: 284,369.99
Step by Step Solution
- Step 1: Write the proportion equation
349,245.18 : 482,016.33 = 206,040.42 : x - Step 2: Convert to fraction form
349,245.18/482,016.33 = 206,040.42/x - Step 3: Cross multiply
349,245.18x = 482,016.33 × 206,040.42 - Step 4: Simplify right side
349,245.18x = 99,314,847,080.06 - Step 5: Solve for x
x = 99,314,847,080.06/349,245.18 - Step 6: Final answer
x = 284,369.99
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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.