Finding the Fourth Proportional to 227,319.76, 313,701.28 and 126,717.76
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Solution
The fourth proportional to 227,319.76, 313,701.28 and 126,717.76 is: 174,870.52
Step by Step Solution
- Step 1: Write the proportion equation
227,319.76 : 313,701.28 = 126,717.76 : x - Step 2: Convert to fraction form
227,319.76/313,701.28 = 126,717.76/x - Step 3: Cross multiply
227,319.76x = 313,701.28 × 126,717.76 - Step 4: Simplify right side
227,319.76x = 39,751,523,510.73 - Step 5: Solve for x
x = 39,751,523,510.73/227,319.76 - Step 6: Final answer
x = 174,870.52
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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.