Finding the Fourth Proportional to 324,350.55, 486,524.68 and 87,693.19
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Solution
The fourth proportional to 324,350.55, 486,524.68 and 87,693.19 is: 131,539.47
Step by Step Solution
- Step 1: Write the proportion equation
324,350.55 : 486,524.68 = 87,693.19 : x - Step 2: Convert to fraction form
324,350.55/486,524.68 = 87,693.19/x - Step 3: Cross multiply
324,350.55x = 486,524.68 × 87,693.19 - Step 4: Simplify right side
324,350.55x = 42,664,899,767.38 - Step 5: Solve for x
x = 42,664,899,767.38/324,350.55 - Step 6: Final answer
x = 131,539.47
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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.