Finding the Fourth Proportional to 229,198.71, 316,296.98 and 127,226.19
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Solution
The fourth proportional to 229,198.71, 316,296.98 and 127,226.19 is: 175,573.68
Step by Step Solution
- Step 1: Write the proportion equation
229,198.71 : 316,296.98 = 127,226.19 : x - Step 2: Convert to fraction form
229,198.71/316,296.98 = 127,226.19/x - Step 3: Cross multiply
229,198.71x = 316,296.98 × 127,226.19 - Step 4: Simplify right side
229,198.71x = 40,241,261,416.63 - Step 5: Solve for x
x = 40,241,261,416.63/229,198.71 - Step 6: Final answer
x = 175,573.68
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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.