Finding the Fourth Proportional to 284,474.72, 392,587.04 and 163,616.04
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Solution
The fourth proportional to 284,474.72, 392,587.04 and 163,616.04 is: 225,796.99
Step by Step Solution
- Step 1: Write the proportion equation
284,474.72 : 392,587.04 = 163,616.04 : x - Step 2: Convert to fraction form
284,474.72/392,587.04 = 163,616.04/x - Step 3: Cross multiply
284,474.72x = 392,587.04 × 163,616.04 - Step 4: Simplify right side
284,474.72x = 64,233,536,840.12 - Step 5: Solve for x
x = 64,233,536,840.12/284,474.72 - Step 6: Final answer
x = 225,796.99
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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.