Finding the Fourth Proportional to 394,212.24, 591,760.62 and 157,719.78
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Solution
The fourth proportional to 394,212.24, 591,760.62 and 157,719.78 is: 236,756.61
Step by Step Solution
- Step 1: Write the proportion equation
394,212.24 : 591,760.62 = 157,719.78 : x - Step 2: Convert to fraction form
394,212.24/591,760.62 = 157,719.78/x - Step 3: Cross multiply
394,212.24x = 591,760.62 × 157,719.78 - Step 4: Simplify right side
394,212.24x = 93,332,354,799.06 - Step 5: Solve for x
x = 93,332,354,799.06/394,212.24 - Step 6: Final answer
x = 236,756.61
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.