Finding the Fourth Proportional to 285,382.28, 393,826.56 and 164,522.99
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Solution
The fourth proportional to 285,382.28, 393,826.56 and 164,522.99 is: 227,041.16
Step by Step Solution
- Step 1: Write the proportion equation
285,382.28 : 393,826.56 = 164,522.99 : x - Step 2: Convert to fraction form
285,382.28/393,826.56 = 164,522.99/x - Step 3: Cross multiply
285,382.28x = 393,826.56 × 164,522.99 - Step 4: Simplify right side
285,382.28x = 64,793,523,192.61 - Step 5: Solve for x
x = 64,793,523,192.61/285,382.28 - Step 6: Final answer
x = 227,041.16
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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.