Finding the Fourth Proportional to 394,750.40, 544,754.40 and 213,461.68
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Solution
The fourth proportional to 394,750.40, 544,754.40 and 213,461.68 is: 294,576.50
Step by Step Solution
- Step 1: Write the proportion equation
394,750.40 : 544,754.40 = 213,461.68 : x - Step 2: Convert to fraction form
394,750.40/544,754.40 = 213,461.68/x - Step 3: Cross multiply
394,750.40x = 544,754.40 × 213,461.68 - Step 4: Simplify right side
394,750.40x = 116,284,189,411.39 - Step 5: Solve for x
x = 116,284,189,411.39/394,750.40 - Step 6: Final answer
x = 294,576.50
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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.