Finding the Fourth Proportional to 229,236.95, 316,348.27 and 127,260.79
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Solution
The fourth proportional to 229,236.95, 316,348.27 and 127,260.79 is: 175,620.59
Step by Step Solution
- Step 1: Write the proportion equation
229,236.95 : 316,348.27 = 127,260.79 : x - Step 2: Convert to fraction form
229,236.95/316,348.27 = 127,260.79/x - Step 3: Cross multiply
229,236.95x = 316,348.27 × 127,260.79 - Step 4: Simplify right side
229,236.95x = 40,258,729,646.31 - Step 5: Solve for x
x = 40,258,729,646.31/229,236.95 - Step 6: Final answer
x = 175,620.59
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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.