Finding the Fourth Proportional to 394,829.98, 544,865.36 and 213,541.91
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Solution
The fourth proportional to 394,829.98, 544,865.36 and 213,541.91 is: 294,687.84
Step by Step Solution
- Step 1: Write the proportion equation
394,829.98 : 544,865.36 = 213,541.91 : x - Step 2: Convert to fraction form
394,829.98/544,865.36 = 213,541.91/x - Step 3: Cross multiply
394,829.98x = 544,865.36 × 213,541.91 - Step 4: Simplify right side
394,829.98x = 116,351,591,563.26 - Step 5: Solve for x
x = 116,351,591,563.26/394,829.98 - Step 6: Final answer
x = 294,687.84
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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.