Finding the Fourth Proportional to 263,105.84, 394,758.18 and 157,998.08
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Solution
The fourth proportional to 263,105.84, 394,758.18 and 157,998.08 is: 237,056.82
Step by Step Solution
- Step 1: Write the proportion equation
263,105.84 : 394,758.18 = 157,998.08 : x - Step 2: Convert to fraction form
263,105.84/394,758.18 = 157,998.08/x - Step 3: Cross multiply
263,105.84x = 394,758.18 × 157,998.08 - Step 4: Simplify right side
263,105.84x = 62,371,034,504.29 - Step 5: Solve for x
x = 62,371,034,504.29/263,105.84 - Step 6: Final answer
x = 237,056.82
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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.