Finding the Fourth Proportional to 300,515.13, 414,722.06 and 171,474.62
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Solution
The fourth proportional to 300,515.13, 414,722.06 and 171,474.62 is: 236,641.35
Step by Step Solution
- Step 1: Write the proportion equation
300,515.13 : 414,722.06 = 171,474.62 : x - Step 2: Convert to fraction form
300,515.13/414,722.06 = 171,474.62/x - Step 3: Cross multiply
300,515.13x = 414,722.06 × 171,474.62 - Step 4: Simplify right side
300,515.13x = 71,114,304,713.13 - Step 5: Solve for x
x = 71,114,304,713.13/300,515.13 - Step 6: Final answer
x = 236,641.35
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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.