Finding the Fourth Proportional to 394,246.49, 544,060.08 and 212,958.44
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Solution
The fourth proportional to 394,246.49, 544,060.08 and 212,958.44 is: 293,882.60
Step by Step Solution
- Step 1: Write the proportion equation
394,246.49 : 544,060.08 = 212,958.44 : x - Step 2: Convert to fraction form
394,246.49/544,060.08 = 212,958.44/x - Step 3: Cross multiply
394,246.49x = 544,060.08 × 212,958.44 - Step 4: Simplify right side
394,246.49x = 115,862,183,182.78 - Step 5: Solve for x
x = 115,862,183,182.78/394,246.49 - Step 6: Final answer
x = 293,882.60
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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.