Finding the Fourth Proportional to 268,286.40, 402,429.60 and 264,349.80
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Solution
The fourth proportional to 268,286.40, 402,429.60 and 264,349.80 is: 396,524.70
Step by Step Solution
- Step 1: Write the proportion equation
268,286.40 : 402,429.60 = 264,349.80 : x - Step 2: Convert to fraction form
268,286.40/402,429.60 = 264,349.80/x - Step 3: Cross multiply
268,286.40x = 402,429.60 × 264,349.80 - Step 4: Simplify right side
268,286.40x = 106,382,184,274.08 - Step 5: Solve for x
x = 106,382,184,274.08/268,286.40 - Step 6: Final answer
x = 396,524.70
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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.