Finding the Fourth Proportional to 135,479.07, 203,344.70 and 68,969.00
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Solution
The fourth proportional to 135,479.07, 203,344.70 and 68,969.00 is: 103,517.68
Step by Step Solution
- Step 1: Write the proportion equation
135,479.07 : 203,344.70 = 68,969.00 : x - Step 2: Convert to fraction form
135,479.07/203,344.70 = 68,969.00/x - Step 3: Cross multiply
135,479.07x = 203,344.70 × 68,969.00 - Step 4: Simplify right side
135,479.07x = 14,024,479,770.00 - Step 5: Solve for x
x = 14,024,479,770.00/135,479.07 - Step 6: Final answer
x = 103,517.68
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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.