Finding the Fourth Proportional to 300,171.98, 414,236.10 and 162,351.06
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Solution
The fourth proportional to 300,171.98, 414,236.10 and 162,351.06 is: 224,043.80
Step by Step Solution
- Step 1: Write the proportion equation
300,171.98 : 414,236.10 = 162,351.06 : x - Step 2: Convert to fraction form
300,171.98/414,236.10 = 162,351.06/x - Step 3: Cross multiply
300,171.98x = 414,236.10 × 162,351.06 - Step 4: Simplify right side
300,171.98x = 67,251,669,834.24 - Step 5: Solve for x
x = 67,251,669,834.24/300,171.98 - Step 6: Final answer
x = 224,043.80
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1.5x scale
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.