Finding the Fourth Proportional to 548,408.36, 756,842.10 and 306,713.42
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Solution
The fourth proportional to 548,408.36, 756,842.10 and 306,713.42 is: 423,286.09
Step by Step Solution
- Step 1: Write the proportion equation
548,408.36 : 756,842.10 = 306,713.42 : x - Step 2: Convert to fraction form
548,408.36/756,842.10 = 306,713.42/x - Step 3: Cross multiply
548,408.36x = 756,842.10 × 306,713.42 - Step 4: Simplify right side
548,408.36x = 232,133,632,575.58 - Step 5: Solve for x
x = 232,133,632,575.58/548,408.36 - Step 6: Final answer
x = 423,286.09
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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.