Finding the Fourth Proportional to 396,468.69, 594,764.99 and 130,168.63
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Solution
The fourth proportional to 396,468.69, 594,764.99 and 130,168.63 is: 195,273.29
Step by Step Solution
- Step 1: Write the proportion equation
396,468.69 : 594,764.99 = 130,168.63 : x - Step 2: Convert to fraction form
396,468.69/594,764.99 = 130,168.63/x - Step 3: Cross multiply
396,468.69x = 594,764.99 × 130,168.63 - Step 4: Simplify right side
396,468.69x = 77,419,743,920.26 - Step 5: Solve for x
x = 77,419,743,920.26/396,468.69 - Step 6: Final answer
x = 195,273.29
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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.