Finding the Fourth Proportional to 197,439.76, 272,466.08 and 106,795.97
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Solution
The fourth proportional to 197,439.76, 272,466.08 and 106,795.97 is: 147,378.01
Step by Step Solution
- Step 1: Write the proportion equation
197,439.76 : 272,466.08 = 106,795.97 : x - Step 2: Convert to fraction form
197,439.76/272,466.08 = 106,795.97/x - Step 3: Cross multiply
197,439.76x = 272,466.08 × 106,795.97 - Step 4: Simplify right side
197,439.76x = 29,098,278,831.62 - Step 5: Solve for x
x = 29,098,278,831.62/197,439.76 - Step 6: Final answer
x = 147,378.01
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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.