Finding the Fourth Proportional to 548,122.56, 756,412.17 and 306,415.32
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Solution
The fourth proportional to 548,122.56, 756,412.17 and 306,415.32 is: 422,854.84
Step by Step Solution
- Step 1: Write the proportion equation
548,122.56 : 756,412.17 = 306,415.32 : x - Step 2: Convert to fraction form
548,122.56/756,412.17 = 306,415.32/x - Step 3: Cross multiply
548,122.56x = 756,412.17 × 306,415.32 - Step 4: Simplify right side
548,122.56x = 231,776,277,122.44 - Step 5: Solve for x
x = 231,776,277,122.44/548,122.56 - Step 6: Final answer
x = 422,854.84
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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.