Finding the Fourth Proportional to 197,440.05, 272,466.21 and 106,795.92
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Solution
The fourth proportional to 197,440.05, 272,466.21 and 106,795.92 is: 147,377.80
Step by Step Solution
- Step 1: Write the proportion equation
197,440.05 : 272,466.21 = 106,795.92 : x - Step 2: Convert to fraction form
197,440.05/272,466.21 = 106,795.92/x - Step 3: Cross multiply
197,440.05x = 272,466.21 × 106,795.92 - Step 4: Simplify right side
197,440.05x = 29,098,279,565.86 - Step 5: Solve for x
x = 29,098,279,565.86/197,440.05 - Step 6: Final answer
x = 147,377.80
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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.