Finding the Fourth Proportional to 229,132.26, 316,202.69 and 127,157.79
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Solution
The fourth proportional to 229,132.26, 316,202.69 and 127,157.79 is: 175,477.84
Step by Step Solution
- Step 1: Write the proportion equation
229,132.26 : 316,202.69 = 127,157.79 : x - Step 2: Convert to fraction form
229,132.26/316,202.69 = 127,157.79/x - Step 3: Cross multiply
229,132.26x = 316,202.69 × 127,157.79 - Step 4: Simplify right side
229,132.26x = 40,207,633,817.55 - Step 5: Solve for x
x = 40,207,633,817.55/229,132.26 - Step 6: Final answer
x = 175,477.84
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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.