Finding the Fourth Proportional to 272,549.36, 408,824.16 and 122,614.56
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Solution
The fourth proportional to 272,549.36, 408,824.16 and 122,614.56 is: 183,921.89
Step by Step Solution
- Step 1: Write the proportion equation
272,549.36 : 408,824.16 = 122,614.56 : x - Step 2: Convert to fraction form
272,549.36/408,824.16 = 122,614.56/x - Step 3: Cross multiply
272,549.36x = 408,824.16 × 122,614.56 - Step 4: Simplify right side
272,549.36x = 50,127,794,495.77 - Step 5: Solve for x
x = 50,127,794,495.77/272,549.36 - Step 6: Final answer
x = 183,921.89
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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.