Finding the Fourth Proportional to 394,822.59, 544,855.18 and 213,534.53
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Solution
The fourth proportional to 394,822.59, 544,855.18 and 213,534.53 is: 294,677.65
Step by Step Solution
- Step 1: Write the proportion equation
394,822.59 : 544,855.18 = 213,534.53 : x - Step 2: Convert to fraction form
394,822.59/544,855.18 = 213,534.53/x - Step 3: Cross multiply
394,822.59x = 544,855.18 × 213,534.53 - Step 4: Simplify right side
394,822.59x = 116,345,394,779.37 - Step 5: Solve for x
x = 116,345,394,779.37/394,822.59 - Step 6: Final answer
x = 294,677.65
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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.