Finding the Fourth Proportional to 394,856.15, 544,901.53 and 213,568.09
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Solution
The fourth proportional to 394,856.15, 544,901.53 and 213,568.09 is: 294,723.99
Step by Step Solution
- Step 1: Write the proportion equation
394,856.15 : 544,901.53 = 213,568.09 : x - Step 2: Convert to fraction form
394,856.15/544,901.53 = 213,568.09/x - Step 3: Cross multiply
394,856.15x = 544,901.53 × 213,568.09 - Step 4: Simplify right side
394,856.15x = 116,373,580,569.52 - Step 5: Solve for x
x = 116,373,580,569.52/394,856.15 - Step 6: Final answer
x = 294,723.99
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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.