Finding the Fourth Proportional to 221,102.12, 305,121.96 and 125,614.06
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Solution
The fourth proportional to 221,102.12, 305,121.96 and 125,614.06 is: 173,347.98
Step by Step Solution
- Step 1: Write the proportion equation
221,102.12 : 305,121.96 = 125,614.06 : x - Step 2: Convert to fraction form
221,102.12/305,121.96 = 125,614.06/x - Step 3: Cross multiply
221,102.12x = 305,121.96 × 125,614.06 - Step 4: Simplify right side
221,102.12x = 38,327,606,037.08 - Step 5: Solve for x
x = 38,327,606,037.08/221,102.12 - Step 6: Final answer
x = 173,347.98
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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.