Finding the Fourth Proportional to 324,382.98, 486,537.54 and 87,707.21
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Solution
The fourth proportional to 324,382.98, 486,537.54 and 87,707.21 is: 131,550.82
Step by Step Solution
- Step 1: Write the proportion equation
324,382.98 : 486,537.54 = 87,707.21 : x - Step 2: Convert to fraction form
324,382.98/486,537.54 = 87,707.21/x - Step 3: Cross multiply
324,382.98x = 486,537.54 × 87,707.21 - Step 4: Simplify right side
324,382.98x = 42,672,847,432.07 - Step 5: Solve for x
x = 42,672,847,432.07/324,382.98 - Step 6: Final answer
x = 131,550.82
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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.