Finding the Fourth Proportional to 135,901.10, 203,884.05 and 65,722.70
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Solution
The fourth proportional to 135,901.10, 203,884.05 and 65,722.70 is: 98,599.72
Step by Step Solution
- Step 1: Write the proportion equation
135,901.10 : 203,884.05 = 65,722.70 : x - Step 2: Convert to fraction form
135,901.10/203,884.05 = 65,722.70/x - Step 3: Cross multiply
135,901.10x = 203,884.05 × 65,722.70 - Step 4: Simplify right side
135,901.10x = 13,399,810,252.94 - Step 5: Solve for x
x = 13,399,810,252.94/135,901.10 - Step 6: Final answer
x = 98,599.72
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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.