Finding the Fourth Proportional to 229,181.63, 316,265.88 and 127,201.11
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Solution
The fourth proportional to 229,181.63, 316,265.88 and 127,201.11 is: 175,534.88
Step by Step Solution
- Step 1: Write the proportion equation
229,181.63 : 316,265.88 = 127,201.11 : x - Step 2: Convert to fraction form
229,181.63/316,265.88 = 127,201.11/x - Step 3: Cross multiply
229,181.63x = 316,265.88 × 127,201.11 - Step 4: Simplify right side
229,181.63x = 40,229,370,991.13 - Step 5: Solve for x
x = 40,229,370,991.13/229,181.63 - Step 6: Final answer
x = 175,534.88
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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.