Finding the Fourth Proportional to 135,689.10, 203,497.20 and 46,969.80
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Solution
The fourth proportional to 135,689.10, 203,497.20 and 46,969.80 is: 70,442.08
Step by Step Solution
- Step 1: Write the proportion equation
135,689.10 : 203,497.20 = 46,969.80 : x - Step 2: Convert to fraction form
135,689.10/203,497.20 = 46,969.80/x - Step 3: Cross multiply
135,689.10x = 203,497.20 × 46,969.80 - Step 4: Simplify right side
135,689.10x = 9,558,222,784.56 - Step 5: Solve for x
x = 9,558,222,784.56/135,689.10 - Step 6: Final answer
x = 70,442.08
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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.