Finding the Fourth Proportional to 268,827.60, 403,250.96 and 91,311.52
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Solution
The fourth proportional to 268,827.60, 403,250.96 and 91,311.52 is: 136,970.53
Step by Step Solution
- Step 1: Write the proportion equation
268,827.60 : 403,250.96 = 91,311.52 : x - Step 2: Convert to fraction form
268,827.60/403,250.96 = 91,311.52/x - Step 3: Cross multiply
268,827.60x = 403,250.96 × 91,311.52 - Step 4: Simplify right side
268,827.60x = 36,821,458,099.06 - Step 5: Solve for x
x = 36,821,458,099.06/268,827.60 - Step 6: Final answer
x = 136,970.53
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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.