Finding the Fourth Proportional to 396,467.69, 594,763.49 and 130,167.63
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Solution
The fourth proportional to 396,467.69, 594,763.49 and 130,167.63 is: 195,271.79
Step by Step Solution
- Step 1: Write the proportion equation
396,467.69 : 594,763.49 = 130,167.63 : x - Step 2: Convert to fraction form
396,467.69/594,763.49 = 130,167.63/x - Step 3: Cross multiply
396,467.69x = 594,763.49 × 130,167.63 - Step 4: Simplify right side
396,467.69x = 77,418,954,229.25 - Step 5: Solve for x
x = 77,418,954,229.25/396,467.69 - Step 6: Final answer
x = 195,271.79
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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.