Finding the Fourth Proportional to 284,475.22, 392,587.73 and 163,616.54
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Solution
The fourth proportional to 284,475.22, 392,587.73 and 163,616.54 is: 225,797.68
Step by Step Solution
- Step 1: Write the proportion equation
284,475.22 : 392,587.73 = 163,616.54 : x - Step 2: Convert to fraction form
284,475.22/392,587.73 = 163,616.54/x - Step 3: Cross multiply
284,475.22x = 392,587.73 × 163,616.54 - Step 4: Simplify right side
284,475.22x = 64,233,846,029.05 - Step 5: Solve for x
x = 64,233,846,029.05/284,475.22 - Step 6: Final answer
x = 225,797.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.