Finding the Fourth Proportional to 229,201.76, 316,293.44 and 127,221.28
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Solution
The fourth proportional to 229,201.76, 316,293.44 and 127,221.28 is: 175,562.60
Step by Step Solution
- Step 1: Write the proportion equation
229,201.76 : 316,293.44 = 127,221.28 : x - Step 2: Convert to fraction form
229,201.76/316,293.44 = 127,221.28/x - Step 3: Cross multiply
229,201.76x = 316,293.44 × 127,221.28 - Step 4: Simplify right side
229,201.76x = 40,239,256,292.40 - Step 5: Solve for x
x = 40,239,256,292.40/229,201.76 - Step 6: Final answer
x = 175,562.60
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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.