Finding the Fourth Proportional to 396,868.77, 547,682.99 and 215,584.29
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Solution
The fourth proportional to 396,868.77, 547,682.99 and 215,584.29 is: 297,508.54
Step by Step Solution
- Step 1: Write the proportion equation
396,868.77 : 547,682.99 = 215,584.29 : x - Step 2: Convert to fraction form
396,868.77/547,682.99 = 215,584.29/x - Step 3: Cross multiply
396,868.77x = 547,682.99 × 215,584.29 - Step 4: Simplify right side
396,868.77x = 118,071,847,466.31 - Step 5: Solve for x
x = 118,071,847,466.31/396,868.77 - Step 6: Final answer
x = 297,508.54
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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.