Finding the Fourth Proportional to 263,487.36, 394,892.58 and 137,110.08
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Solution
The fourth proportional to 263,487.36, 394,892.58 and 137,110.08 is: 205,489.00
Step by Step Solution
- Step 1: Write the proportion equation
263,487.36 : 394,892.58 = 137,110.08 : x - Step 2: Convert to fraction form
263,487.36/394,892.58 = 137,110.08/x - Step 3: Cross multiply
263,487.36x = 394,892.58 × 137,110.08 - Step 4: Simplify right side
263,487.36x = 54,143,753,235.21 - Step 5: Solve for x
x = 54,143,753,235.21/263,487.36 - Step 6: Final answer
x = 205,489.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.