Finding the Fourth Proportional to 324,380.59, 486,674.99 and 155,913.13
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Solution
The fourth proportional to 324,380.59, 486,674.99 and 155,913.13 is: 233,919.74
Step by Step Solution
- Step 1: Write the proportion equation
324,380.59 : 486,674.99 = 155,913.13 : x - Step 2: Convert to fraction form
324,380.59/486,674.99 = 155,913.13/x - Step 3: Cross multiply
324,380.59x = 486,674.99 × 155,913.13 - Step 4: Simplify right side
324,380.59x = 75,879,021,397.07 - Step 5: Solve for x
x = 75,879,021,397.07/324,380.59 - Step 6: Final answer
x = 233,919.74
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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.