Finding the Fourth Proportional to 394,259.10, 591,323.94 and 109,968.99
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Solution
The fourth proportional to 394,259.10, 591,323.94 and 109,968.99 is: 164,935.44
Step by Step Solution
- Step 1: Write the proportion equation
394,259.10 : 591,323.94 = 109,968.99 : x - Step 2: Convert to fraction form
394,259.10/591,323.94 = 109,968.99/x - Step 3: Cross multiply
394,259.10x = 591,323.94 × 109,968.99 - Step 4: Simplify right side
394,259.10x = 65,027,296,444.62 - Step 5: Solve for x
x = 65,027,296,444.62/394,259.10 - Step 6: Final answer
x = 164,935.44
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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.