Finding the Fourth Proportional to 227,009.28, 313,130.80 and 163,246.08
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Solution
The fourth proportional to 227,009.28, 313,130.80 and 163,246.08 is: 225,177.47
Step by Step Solution
- Step 1: Write the proportion equation
227,009.28 : 313,130.80 = 163,246.08 : x - Step 2: Convert to fraction form
227,009.28/313,130.80 = 163,246.08/x - Step 3: Cross multiply
227,009.28x = 313,130.80 × 163,246.08 - Step 4: Simplify right side
227,009.28x = 51,117,375,627.26 - Step 5: Solve for x
x = 51,117,375,627.26/227,009.28 - Step 6: Final answer
x = 225,177.47
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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.