Finding the Fourth Proportional to 396,864.18, 595,378.26 and 130,640.67
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Solution
The fourth proportional to 396,864.18, 595,378.26 and 130,640.67 is: 195,987.99
Step by Step Solution
- Step 1: Write the proportion equation
396,864.18 : 595,378.26 = 130,640.67 : x - Step 2: Convert to fraction form
396,864.18/595,378.26 = 130,640.67/x - Step 3: Cross multiply
396,864.18x = 595,378.26 × 130,640.67 - Step 4: Simplify right side
396,864.18x = 77,780,614,789.83 - Step 5: Solve for x
x = 77,780,614,789.83/396,864.18 - Step 6: Final answer
x = 195,987.99
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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.