Finding the Fourth Proportional to 324,481.74, 486,778.80 and 144,630.96
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Solution
The fourth proportional to 324,481.74, 486,778.80 and 144,630.96 is: 216,971.49
Step by Step Solution
- Step 1: Write the proportion equation
324,481.74 : 486,778.80 = 144,630.96 : x - Step 2: Convert to fraction form
324,481.74/486,778.80 = 144,630.96/x - Step 3: Cross multiply
324,481.74x = 486,778.80 × 144,630.96 - Step 4: Simplify right side
324,481.74x = 70,403,285,151.65 - Step 5: Solve for x
x = 70,403,285,151.65/324,481.74 - Step 6: Final answer
x = 216,971.49
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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.