Finding the Fourth Proportional to 284,679.35, 392,896.56 and 163,818.17
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Solution
The fourth proportional to 284,679.35, 392,896.56 and 163,818.17 is: 226,091.54
Step by Step Solution
- Step 1: Write the proportion equation
284,679.35 : 392,896.56 = 163,818.17 : x - Step 2: Convert to fraction form
284,679.35/392,896.56 = 163,818.17/x - Step 3: Cross multiply
284,679.35x = 392,896.56 × 163,818.17 - Step 4: Simplify right side
284,679.35x = 64,363,592,674.92 - Step 5: Solve for x
x = 64,363,592,674.92/284,679.35 - Step 6: Final answer
x = 226,091.54
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1.5x scale
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.