Finding the Fourth Proportional to 394,150.74, 591,668.37 and 157,658.28
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Solution
The fourth proportional to 394,150.74, 591,668.37 and 157,658.28 is: 236,664.32
Step by Step Solution
- Step 1: Write the proportion equation
394,150.74 : 591,668.37 = 157,658.28 : x - Step 2: Convert to fraction form
394,150.74/591,668.37 = 157,658.28/x - Step 3: Cross multiply
394,150.74x = 591,668.37 × 157,658.28 - Step 4: Simplify right side
394,150.74x = 93,281,417,544.60 - Step 5: Solve for x
x = 93,281,417,544.60/394,150.74 - Step 6: Final answer
x = 236,664.32
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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.