Finding the Fourth Proportional to 324,400.51, 486,705.03 and 155,933.05
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Solution
The fourth proportional to 324,400.51, 486,705.03 and 155,933.05 is: 233,949.69
Step by Step Solution
- Step 1: Write the proportion equation
324,400.51 : 486,705.03 = 155,933.05 : x - Step 2: Convert to fraction form
324,400.51/486,705.03 = 155,933.05/x - Step 3: Cross multiply
324,400.51x = 486,705.03 × 155,933.05 - Step 4: Simplify right side
324,400.51x = 75,893,399,778.24 - Step 5: Solve for x
x = 75,893,399,778.24/324,400.51 - Step 6: Final answer
x = 233,949.69
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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.