Finding the Fourth Proportional to 300,803.76, 414,953.91 and 203,974.87
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Solution
The fourth proportional to 300,803.76, 414,953.91 and 203,974.87 is: 281,380.03
Step by Step Solution
- Step 1: Write the proportion equation
300,803.76 : 414,953.91 = 203,974.87 : x - Step 2: Convert to fraction form
300,803.76/414,953.91 = 203,974.87/x - Step 3: Cross multiply
300,803.76x = 414,953.91 × 203,974.87 - Step 4: Simplify right side
300,803.76x = 84,640,169,848.24 - Step 5: Solve for x
x = 84,640,169,848.24/300,803.76 - Step 6: Final answer
x = 281,380.03
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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.