Finding the Fourth Proportional to 197,302.75, 272,215.70 and 120,742.03
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Solution
The fourth proportional to 197,302.75, 272,215.70 and 120,742.03 is: 166,586.00
Step by Step Solution
- Step 1: Write the proportion equation
197,302.75 : 272,215.70 = 120,742.03 : x - Step 2: Convert to fraction form
197,302.75/272,215.70 = 120,742.03/x - Step 3: Cross multiply
197,302.75x = 272,215.70 × 120,742.03 - Step 4: Simplify right side
197,302.75x = 32,867,875,553.17 - Step 5: Solve for x
x = 32,867,875,553.17/197,302.75 - Step 6: Final answer
x = 166,586.00
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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.