Finding the Fourth Proportional to 401,163.09, 601,835.45 and 134,916.30
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Solution
The fourth proportional to 401,163.09, 601,835.45 and 134,916.30 is: 202,404.99
Step by Step Solution
- Step 1: Write the proportion equation
401,163.09 : 601,835.45 = 134,916.30 : x - Step 2: Convert to fraction form
401,163.09/601,835.45 = 134,916.30/x - Step 3: Cross multiply
401,163.09x = 601,835.45 × 134,916.30 - Step 4: Simplify right side
401,163.09x = 81,197,411,448.25 - Step 5: Solve for x
x = 81,197,411,448.25/401,163.09 - Step 6: Final answer
x = 202,404.99
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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.