Finding the Fourth Proportional to 447,379.70, 617,383.97 and 246,175.70
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Solution
The fourth proportional to 447,379.70, 617,383.97 and 246,175.70 is: 339,722.45
Step by Step Solution
- Step 1: Write the proportion equation
447,379.70 : 617,383.97 = 246,175.70 : x - Step 2: Convert to fraction form
447,379.70/617,383.97 = 246,175.70/x - Step 3: Cross multiply
447,379.70x = 617,383.97 × 246,175.70 - Step 4: Simplify right side
447,379.70x = 151,984,926,665.73 - Step 5: Solve for x
x = 151,984,926,665.73/447,379.70 - Step 6: Final answer
x = 339,722.45
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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.