Finding the Fourth Proportional to 167,471.70, 251,207.55 and 148,809.30
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Solution
The fourth proportional to 167,471.70, 251,207.55 and 148,809.30 is: 223,213.95
Step by Step Solution
- Step 1: Write the proportion equation
167,471.70 : 251,207.55 = 148,809.30 : x - Step 2: Convert to fraction form
167,471.70/251,207.55 = 148,809.30/x - Step 3: Cross multiply
167,471.70x = 251,207.55 × 148,809.30 - Step 4: Simplify right side
167,471.70x = 37,382,019,670.22 - Step 5: Solve for x
x = 37,382,019,670.22/167,471.70 - Step 6: Final answer
x = 223,213.95
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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.