Finding the Fourth Proportional to 401,238.41, 601,936.43 and 148,520.99
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Solution
The fourth proportional to 401,238.41, 601,936.43 and 148,520.99 is: 222,810.66
Step by Step Solution
- Step 1: Write the proportion equation
401,238.41 : 601,936.43 = 148,520.99 : x - Step 2: Convert to fraction form
401,238.41/601,936.43 = 148,520.99/x - Step 3: Cross multiply
401,238.41x = 601,936.43 × 148,520.99 - Step 4: Simplify right side
401,238.41x = 89,400,195,262.90 - Step 5: Solve for x
x = 89,400,195,262.90/401,238.41 - Step 6: Final answer
x = 222,810.66
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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.