Finding the Fourth Proportional to 328,317.15, 492,490.48 and 100,596.09
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Solution
The fourth proportional to 328,317.15, 492,490.48 and 100,596.09 is: 150,898.65
Step by Step Solution
- Step 1: Write the proportion equation
328,317.15 : 492,490.48 = 100,596.09 : x - Step 2: Convert to fraction form
328,317.15/492,490.48 = 100,596.09/x - Step 3: Cross multiply
328,317.15x = 492,490.48 × 100,596.09 - Step 4: Simplify right side
328,317.15x = 49,542,614,929.13 - Step 5: Solve for x
x = 49,542,614,929.13/328,317.15 - Step 6: Final answer
x = 150,898.65
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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.