Finding the Fourth Proportional to 394,417.80, 591,626.70 and 110,107.80
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Solution
The fourth proportional to 394,417.80, 591,626.70 and 110,107.80 is: 165,161.70
Step by Step Solution
- Step 1: Write the proportion equation
394,417.80 : 591,626.70 = 110,107.80 : x - Step 2: Convert to fraction form
394,417.80/591,626.70 = 110,107.80/x - Step 3: Cross multiply
394,417.80x = 591,626.70 × 110,107.80 - Step 4: Simplify right side
394,417.80x = 65,142,714,358.26 - Step 5: Solve for x
x = 65,142,714,358.26/394,417.80 - Step 6: Final answer
x = 165,161.70
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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.