Finding the Fourth Proportional to 285,353.26, 393,414.08 and 245,495.18
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Solution
The fourth proportional to 285,353.26, 393,414.08 and 245,495.18 is: 338,462.09
Step by Step Solution
- Step 1: Write the proportion equation
285,353.26 : 393,414.08 = 245,495.18 : x - Step 2: Convert to fraction form
285,353.26/393,414.08 = 245,495.18/x - Step 3: Cross multiply
285,353.26x = 393,414.08 × 245,495.18 - Step 4: Simplify right side
285,353.26x = 96,581,260,384.13 - Step 5: Solve for x
x = 96,581,260,384.13/285,353.26 - Step 6: Final answer
x = 338,462.09
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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.