Finding the Fourth Proportional to 259,580.16, 389,311.52 and 119,203.84
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Solution
The fourth proportional to 259,580.16, 389,311.52 and 119,203.84 is: 178,778.79
Step by Step Solution
- Step 1: Write the proportion equation
259,580.16 : 389,311.52 = 119,203.84 : x - Step 2: Convert to fraction form
259,580.16/389,311.52 = 119,203.84/x - Step 3: Cross multiply
259,580.16x = 389,311.52 × 119,203.84 - Step 4: Simplify right side
259,580.16x = 46,407,428,140.24 - Step 5: Solve for x
x = 46,407,428,140.24/259,580.16 - Step 6: Final answer
x = 178,778.79
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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.