Finding the Fourth Proportional to 227,279.81, 340,921.43 and 100,886.08
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Solution
The fourth proportional to 227,279.81, 340,921.43 and 100,886.08 is: 151,329.88
Step by Step Solution
- Step 1: Write the proportion equation
227,279.81 : 340,921.43 = 100,886.08 : x - Step 2: Convert to fraction form
227,279.81/340,921.43 = 100,886.08/x - Step 3: Cross multiply
227,279.81x = 340,921.43 × 100,886.08 - Step 4: Simplify right side
227,279.81x = 34,394,226,960.74 - Step 5: Solve for x
x = 34,394,226,960.74/227,279.81 - Step 6: Final answer
x = 151,329.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.