Finding the Fourth Proportional to 285,252.23, 393,620.82 and 170,508.09
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Solution
The fourth proportional to 285,252.23, 393,620.82 and 170,508.09 is: 235,284.86
Step by Step Solution
- Step 1: Write the proportion equation
285,252.23 : 393,620.82 = 170,508.09 : x - Step 2: Convert to fraction form
285,252.23/393,620.82 = 170,508.09/x - Step 3: Cross multiply
285,252.23x = 393,620.82 × 170,508.09 - Step 4: Simplify right side
285,252.23x = 67,115,532,824.99 - Step 5: Solve for x
x = 67,115,532,824.99/285,252.23 - Step 6: Final answer
x = 235,284.86
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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.