Finding the Fourth Proportional to 394,932.24, 545,004.86 and 213,643.74
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Solution
The fourth proportional to 394,932.24, 545,004.86 and 213,643.74 is: 294,827.48
Step by Step Solution
- Step 1: Write the proportion equation
394,932.24 : 545,004.86 = 213,643.74 : x - Step 2: Convert to fraction form
394,932.24/545,004.86 = 213,643.74/x - Step 3: Cross multiply
394,932.24x = 545,004.86 × 213,643.74 - Step 4: Simplify right side
394,932.24x = 116,436,877,584.13 - Step 5: Solve for x
x = 116,436,877,584.13/394,932.24 - Step 6: Final answer
x = 294,827.48
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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.