Finding the Fourth Proportional to 197,207.64, 272,202.26 and 116,663.13
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Solution
The fourth proportional to 197,207.64, 272,202.26 and 116,663.13 is: 161,028.08
Step by Step Solution
- Step 1: Write the proportion equation
197,207.64 : 272,202.26 = 116,663.13 : x - Step 2: Convert to fraction form
197,207.64/272,202.26 = 116,663.13/x - Step 3: Cross multiply
197,207.64x = 272,202.26 × 116,663.13 - Step 4: Simplify right side
197,207.64x = 31,755,967,061.36 - Step 5: Solve for x
x = 31,755,967,061.36/197,207.64 - Step 6: Final answer
x = 161,028.08
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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.