Finding the Fourth Proportional to 851,183.38, 1,174,620.36 and 469,201.96
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Solution
The fourth proportional to 851,183.38, 1,174,620.36 and 469,201.96 is: 647,491.70
Step by Step Solution
- Step 1: Write the proportion equation
851,183.38 : 1,174,620.36 = 469,201.96 : x - Step 2: Convert to fraction form
851,183.38/1,174,620.36 = 469,201.96/x - Step 3: Cross multiply
851,183.38x = 1,174,620.36 × 469,201.96 - Step 4: Simplify right side
851,183.38x = 551,134,175,167.91 - Step 5: Solve for x
x = 551,134,175,167.91/851,183.38 - Step 6: Final answer
x = 647,491.70
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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.