Finding the Fourth Proportional to 229,174.38, 316,258.35 and 127,197.21
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Solution
The fourth proportional to 229,174.38, 316,258.35 and 127,197.21 is: 175,530.88
Step by Step Solution
- Step 1: Write the proportion equation
229,174.38 : 316,258.35 = 127,197.21 : x - Step 2: Convert to fraction form
229,174.38/316,258.35 = 127,197.21/x - Step 3: Cross multiply
229,174.38x = 316,258.35 × 127,197.21 - Step 4: Simplify right side
229,174.38x = 40,227,179,759.20 - Step 5: Solve for x
x = 40,227,179,759.20/229,174.38 - Step 6: Final answer
x = 175,530.88
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1.5x scale
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.