Finding the Fourth Proportional to 197,632.92, 272,733.14 and 106,988.88
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Solution
The fourth proportional to 197,632.92, 272,733.14 and 106,988.88 is: 147,644.50
Step by Step Solution
- Step 1: Write the proportion equation
197,632.92 : 272,733.14 = 106,988.88 : x - Step 2: Convert to fraction form
197,632.92/272,733.14 = 106,988.88/x - Step 3: Cross multiply
197,632.92x = 272,733.14 × 106,988.88 - Step 4: Simplify right side
197,632.92x = 29,179,413,187.48 - Step 5: Solve for x
x = 29,179,413,187.48/197,632.92 - Step 6: Final answer
x = 147,644.50
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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.