Finding the Fourth Proportional to 324,007.70, 486,011.55 and 235,879.70
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Solution
The fourth proportional to 324,007.70, 486,011.55 and 235,879.70 is: 353,819.55
Step by Step Solution
- Step 1: Write the proportion equation
324,007.70 : 486,011.55 = 235,879.70 : x - Step 2: Convert to fraction form
324,007.70/486,011.55 = 235,879.70/x - Step 3: Cross multiply
324,007.70x = 486,011.55 × 235,879.70 - Step 4: Simplify right side
324,007.70x = 114,640,258,610.54 - Step 5: Solve for x
x = 114,640,258,610.54/324,007.70 - Step 6: Final answer
x = 353,819.55
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Similar ratio
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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.