Finding the Fourth Proportional to 229,160.55, 316,236.80 and 127,180.09
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Solution
The fourth proportional to 229,160.55, 316,236.80 and 127,180.09 is: 175,505.88
Step by Step Solution
- Step 1: Write the proportion equation
229,160.55 : 316,236.80 = 127,180.09 : x - Step 2: Convert to fraction form
229,160.55/316,236.80 = 127,180.09/x - Step 3: Cross multiply
229,160.55x = 316,236.80 × 127,180.09 - Step 4: Simplify right side
229,160.55x = 40,219,022,468.23 - Step 5: Solve for x
x = 40,219,022,468.23/229,160.55 - Step 6: Final answer
x = 175,505.88
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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.