Finding the Fourth Proportional to 427,353.20, 589,752.60 and 236,361.68
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Solution
The fourth proportional to 427,353.20, 589,752.60 and 236,361.68 is: 326,181.99
Step by Step Solution
- Step 1: Write the proportion equation
427,353.20 : 589,752.60 = 236,361.68 : x - Step 2: Convert to fraction form
427,353.20/589,752.60 = 236,361.68/x - Step 3: Cross multiply
427,353.20x = 589,752.60 × 236,361.68 - Step 4: Simplify right side
427,353.20x = 139,394,915,320.37 - Step 5: Solve for x
x = 139,394,915,320.37/427,353.20 - Step 6: Final answer
x = 326,181.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.