Finding the Fourth Proportional to 447,431.98, 617,456.22 and 246,227.98
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Solution
The fourth proportional to 447,431.98, 617,456.22 and 246,227.98 is: 339,794.66
Step by Step Solution
- Step 1: Write the proportion equation
447,431.98 : 617,456.22 = 246,227.98 : x - Step 2: Convert to fraction form
447,431.98/617,456.22 = 246,227.98/x - Step 3: Cross multiply
447,431.98x = 617,456.22 × 246,227.98 - Step 4: Simplify right side
447,431.98x = 152,034,997,789.04 - Step 5: Solve for x
x = 152,034,997,789.04/447,431.98 - Step 6: Final answer
x = 339,794.66
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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.