Finding the Fourth Proportional to 147,471.75, 221,207.64 and 36,663.75
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Solution
The fourth proportional to 147,471.75, 221,207.64 and 36,663.75 is: 54,995.63
Step by Step Solution
- Step 1: Write the proportion equation
147,471.75 : 221,207.64 = 36,663.75 : x - Step 2: Convert to fraction form
147,471.75/221,207.64 = 36,663.75/x - Step 3: Cross multiply
147,471.75x = 221,207.64 × 36,663.75 - Step 4: Simplify right side
147,471.75x = 8,110,301,611.05 - Step 5: Solve for x
x = 8,110,301,611.05/147,471.75 - Step 6: Final answer
x = 54,995.63
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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.