Finding the Fourth Proportional to 324,126.24, 486,189.36 and 87,468.92
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Solution
The fourth proportional to 324,126.24, 486,189.36 and 87,468.92 is: 131,203.38
Step by Step Solution
- Step 1: Write the proportion equation
324,126.24 : 486,189.36 = 87,468.92 : x - Step 2: Convert to fraction form
324,126.24/486,189.36 = 87,468.92/x - Step 3: Cross multiply
324,126.24x = 486,189.36 × 87,468.92 - Step 4: Simplify right side
324,126.24x = 42,526,458,234.69 - Step 5: Solve for x
x = 42,526,458,234.69/324,126.24 - Step 6: Final answer
x = 131,203.38
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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.