Finding the Fourth Proportional to 412,092.74, 568,129.68 and 352,305.63
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Solution
The fourth proportional to 412,092.74, 568,129.68 and 352,305.63 is: 485,704.46
Step by Step Solution
- Step 1: Write the proportion equation
412,092.74 : 568,129.68 = 352,305.63 : x - Step 2: Convert to fraction form
412,092.74/568,129.68 = 352,305.63/x - Step 3: Cross multiply
412,092.74x = 568,129.68 × 352,305.63 - Step 4: Simplify right side
412,092.74x = 200,155,284,834.10 - Step 5: Solve for x
x = 200,155,284,834.10/412,092.74 - Step 6: Final answer
x = 485,704.46
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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.