Finding the Fourth Proportional to 268,480.60, 370,504.61 and 147,629.68
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Solution
The fourth proportional to 268,480.60, 370,504.61 and 147,629.68 is: 203,729.72
Step by Step Solution
- Step 1: Write the proportion equation
268,480.60 : 370,504.61 = 147,629.68 : x - Step 2: Convert to fraction form
268,480.60/370,504.61 = 147,629.68/x - Step 3: Cross multiply
268,480.60x = 370,504.61 × 147,629.68 - Step 4: Simplify right side
268,480.60x = 54,697,477,291.42 - Step 5: Solve for x
x = 54,697,477,291.42/268,480.60 - Step 6: Final answer
x = 203,729.72
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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.