Finding the Fourth Proportional to 149,722.62, 206,617.35 and 82,654.62
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Solution
The fourth proportional to 149,722.62, 206,617.35 and 82,654.62 is: 114,063.45
Step by Step Solution
- Step 1: Write the proportion equation
149,722.62 : 206,617.35 = 82,654.62 : x - Step 2: Convert to fraction form
149,722.62/206,617.35 = 82,654.62/x - Step 3: Cross multiply
149,722.62x = 206,617.35 × 82,654.62 - Step 4: Simplify right side
149,722.62x = 17,077,878,549.66 - Step 5: Solve for x
x = 17,077,878,549.66/149,722.62 - Step 6: Final answer
x = 114,063.45
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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.