Finding the Fourth Proportional to 127,245.20, 175,566.84 and 76,266.08
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Solution
The fourth proportional to 127,245.20, 175,566.84 and 76,266.08 is: 105,228.29
Step by Step Solution
- Step 1: Write the proportion equation
127,245.20 : 175,566.84 = 76,266.08 : x - Step 2: Convert to fraction form
127,245.20/175,566.84 = 76,266.08/x - Step 3: Cross multiply
127,245.20x = 175,566.84 × 76,266.08 - Step 4: Simplify right side
127,245.20x = 13,389,794,664.79 - Step 5: Solve for x
x = 13,389,794,664.79/127,245.20 - Step 6: Final answer
x = 105,228.29
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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.