Finding the Fourth Proportional to 321,840.15, 482,793.93 and 119,491.62
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Solution
The fourth proportional to 321,840.15, 482,793.93 and 119,491.62 is: 179,249.94
Step by Step Solution
- Step 1: Write the proportion equation
321,840.15 : 482,793.93 = 119,491.62 : x - Step 2: Convert to fraction form
321,840.15/482,793.93 = 119,491.62/x - Step 3: Cross multiply
321,840.15x = 482,793.93 × 119,491.62 - Step 4: Simplify right side
321,840.15x = 57,689,828,821.87 - Step 5: Solve for x
x = 57,689,828,821.87/321,840.15 - Step 6: Final answer
x = 179,249.94
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1.5x scale
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.