Finding the Fourth Proportional to 197,549.75, 272,618.64 and 106,905.70
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Solution
The fourth proportional to 197,549.75, 272,618.64 and 106,905.70 is: 147,529.86
Step by Step Solution
- Step 1: Write the proportion equation
197,549.75 : 272,618.64 = 106,905.70 : x - Step 2: Convert to fraction form
197,549.75/272,618.64 = 106,905.70/x - Step 3: Cross multiply
197,549.75x = 272,618.64 × 106,905.70 - Step 4: Simplify right side
197,549.75x = 29,144,485,459.81 - Step 5: Solve for x
x = 29,144,485,459.81/197,549.75 - Step 6: Final answer
x = 147,529.86
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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.