Finding the Fourth Proportional to 300,115.24, 450,233.60 and 122,636.54
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Solution
The fourth proportional to 300,115.24, 450,233.60 and 122,636.54 is: 183,979.63
Step by Step Solution
- Step 1: Write the proportion equation
300,115.24 : 450,233.60 = 122,636.54 : x - Step 2: Convert to fraction form
300,115.24/450,233.60 = 122,636.54/x - Step 3: Cross multiply
300,115.24x = 450,233.60 × 122,636.54 - Step 4: Simplify right side
300,115.24x = 55,215,090,895.74 - Step 5: Solve for x
x = 55,215,090,895.74/300,115.24 - Step 6: Final answer
x = 183,979.63
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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.