Finding the Fourth Proportional to 501,638.09, 752,455.11 and 181,715.12
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Solution
The fourth proportional to 501,638.09, 752,455.11 and 181,715.12 is: 272,571.95
Step by Step Solution
- Step 1: Write the proportion equation
501,638.09 : 752,455.11 = 181,715.12 : x - Step 2: Convert to fraction form
501,638.09/752,455.11 = 181,715.12/x - Step 3: Cross multiply
501,638.09x = 752,455.11 × 181,715.12 - Step 4: Simplify right side
501,638.09x = 136,732,470,608.26 - Step 5: Solve for x
x = 136,732,470,608.26/501,638.09 - Step 6: Final answer
x = 272,571.95
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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.