Finding the Fourth Proportional to 488,619.24, 732,918.42 and 133,633.26
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Solution
The fourth proportional to 488,619.24, 732,918.42 and 133,633.26 is: 200,447.03
Step by Step Solution
- Step 1: Write the proportion equation
488,619.24 : 732,918.42 = 133,633.26 : x - Step 2: Convert to fraction form
488,619.24/732,918.42 = 133,633.26/x - Step 3: Cross multiply
488,619.24x = 732,918.42 × 133,633.26 - Step 4: Simplify right side
488,619.24x = 97,942,277,778.65 - Step 5: Solve for x
x = 97,942,277,778.65/488,619.24 - Step 6: Final answer
x = 200,447.03
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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.