Finding the Fourth Proportional to 146,261.13, 201,840.35 and 79,193.13
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Solution
The fourth proportional to 146,261.13, 201,840.35 and 79,193.13 is: 109,286.51
Step by Step Solution
- Step 1: Write the proportion equation
146,261.13 : 201,840.35 = 79,193.13 : x - Step 2: Convert to fraction form
146,261.13/201,840.35 = 79,193.13/x - Step 3: Cross multiply
146,261.13x = 201,840.35 × 79,193.13 - Step 4: Simplify right side
146,261.13x = 15,984,369,076.80 - Step 5: Solve for x
x = 15,984,369,076.80/146,261.13 - Step 6: Final answer
x = 109,286.51
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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.