Finding the Fourth Proportional to 263,023.84, 394,635.12 and 157,916.08
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Solution
The fourth proportional to 263,023.84, 394,635.12 and 157,916.08 is: 236,933.77
Step by Step Solution
- Step 1: Write the proportion equation
263,023.84 : 394,635.12 = 157,916.08 : x - Step 2: Convert to fraction form
263,023.84/394,635.12 = 157,916.08/x - Step 3: Cross multiply
263,023.84x = 394,635.12 × 157,916.08 - Step 4: Simplify right side
263,023.84x = 62,319,231,180.73 - Step 5: Solve for x
x = 62,319,231,180.73/263,023.84 - Step 6: Final answer
x = 236,933.77
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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.