Finding the Fourth Proportional to 285,383.31, 393,827.99 and 164,524.02
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Solution
The fourth proportional to 285,383.31, 393,827.99 and 164,524.02 is: 227,042.58
Step by Step Solution
- Step 1: Write the proportion equation
285,383.31 : 393,827.99 = 164,524.02 : x - Step 2: Convert to fraction form
285,383.31/393,827.99 = 164,524.02/x - Step 3: Cross multiply
285,383.31x = 393,827.99 × 164,524.02 - Step 4: Simplify right side
285,383.31x = 64,794,163,280.70 - Step 5: Solve for x
x = 64,794,163,280.70/285,383.31 - Step 6: Final answer
x = 227,042.58
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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.