Finding the Fourth Proportional to 394,073.56, 591,193.42 and 127,813.36
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Solution
The fourth proportional to 394,073.56, 591,193.42 and 127,813.36 is: 191,746.99
Step by Step Solution
- Step 1: Write the proportion equation
394,073.56 : 591,193.42 = 127,813.36 : x - Step 2: Convert to fraction form
394,073.56/591,193.42 = 127,813.36/x - Step 3: Cross multiply
394,073.56x = 591,193.42 × 127,813.36 - Step 4: Simplify right side
394,073.56x = 75,562,416,731.06 - Step 5: Solve for x
x = 75,562,416,731.06/394,073.56 - Step 6: Final answer
x = 191,746.99
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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.