Finding the Fourth Proportional to 268,133.18, 402,199.50 and 68,453.60
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Solution
The fourth proportional to 268,133.18, 402,199.50 and 68,453.60 is: 102,680.33
Step by Step Solution
- Step 1: Write the proportion equation
268,133.18 : 402,199.50 = 68,453.60 : x - Step 2: Convert to fraction form
268,133.18/402,199.50 = 68,453.60/x - Step 3: Cross multiply
268,133.18x = 402,199.50 × 68,453.60 - Step 4: Simplify right side
268,133.18x = 27,532,003,693.20 - Step 5: Solve for x
x = 27,532,003,693.20/268,133.18 - Step 6: Final answer
x = 102,680.33
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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.