Finding the Fourth Proportional to 447,431.92, 617,456.14 and 246,227.92
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Solution
The fourth proportional to 447,431.92, 617,456.14 and 246,227.92 is: 339,794.58
Step by Step Solution
- Step 1: Write the proportion equation
447,431.92 : 617,456.14 = 246,227.92 : x - Step 2: Convert to fraction form
447,431.92/617,456.14 = 246,227.92/x - Step 3: Cross multiply
447,431.92x = 617,456.14 × 246,227.92 - Step 4: Simplify right side
447,431.92x = 152,034,938,884.22 - Step 5: Solve for x
x = 152,034,938,884.22/447,431.92 - Step 6: Final answer
x = 339,794.58
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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.