Finding the Fourth Proportional to 221,047.70, 305,052.84 and 125,548.70
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Solution
The fourth proportional to 221,047.70, 305,052.84 and 125,548.70 is: 173,261.19
Step by Step Solution
- Step 1: Write the proportion equation
221,047.70 : 305,052.84 = 125,548.70 : x - Step 2: Convert to fraction form
221,047.70/305,052.84 = 125,548.70/x - Step 3: Cross multiply
221,047.70x = 305,052.84 × 125,548.70 - Step 4: Simplify right side
221,047.70x = 38,298,985,968.04 - Step 5: Solve for x
x = 38,298,985,968.04/221,047.70 - Step 6: Final answer
x = 173,261.19
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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.