Finding the Fourth Proportional to 404,348.13, 606,390.84 and 134,403.75
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Solution
The fourth proportional to 404,348.13, 606,390.84 and 134,403.75 is: 201,561.96
Step by Step Solution
- Step 1: Write the proportion equation
404,348.13 : 606,390.84 = 134,403.75 : x - Step 2: Convert to fraction form
404,348.13/606,390.84 = 134,403.75/x - Step 3: Cross multiply
404,348.13x = 606,390.84 × 134,403.75 - Step 4: Simplify right side
404,348.13x = 81,501,202,861.65 - Step 5: Solve for x
x = 81,501,202,861.65/404,348.13 - Step 6: Final answer
x = 201,561.96
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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.