Finding the Fourth Proportional to 275,725.08, 380,473.74 and 154,838.88
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Solution
The fourth proportional to 275,725.08, 380,473.74 and 154,838.88 is: 213,662.56
Step by Step Solution
- Step 1: Write the proportion equation
275,725.08 : 380,473.74 = 154,838.88 : x - Step 2: Convert to fraction form
275,725.08/380,473.74 = 154,838.88/x - Step 3: Cross multiply
275,725.08x = 380,473.74 × 154,838.88 - Step 4: Simplify right side
275,725.08x = 58,912,127,771.01 - Step 5: Solve for x
x = 58,912,127,771.01/275,725.08 - Step 6: Final answer
x = 213,662.56
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.