Finding the Fourth Proportional to 396,616.05, 594,797.92 and 130,315.19
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Solution
The fourth proportional to 396,616.05, 594,797.92 and 130,315.19 is: 195,431.33
Step by Step Solution
- Step 1: Write the proportion equation
396,616.05 : 594,797.92 = 130,315.19 : x - Step 2: Convert to fraction form
396,616.05/594,797.92 = 130,315.19/x - Step 3: Cross multiply
396,616.05x = 594,797.92 × 130,315.19 - Step 4: Simplify right side
396,616.05x = 77,511,200,656.63 - Step 5: Solve for x
x = 77,511,200,656.63/396,616.05 - Step 6: Final answer
x = 195,431.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.