Finding the Fourth Proportional to 196,202.13, 270,765.63 and 115,698.66
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Solution
The fourth proportional to 196,202.13, 270,765.63 and 115,698.66 is: 159,668.10
Step by Step Solution
- Step 1: Write the proportion equation
196,202.13 : 270,765.63 = 115,698.66 : x - Step 2: Convert to fraction form
196,202.13/270,765.63 = 115,698.66/x - Step 3: Cross multiply
196,202.13x = 270,765.63 × 115,698.66 - Step 4: Simplify right side
196,202.13x = 31,327,220,565.06 - Step 5: Solve for x
x = 31,327,220,565.06/196,202.13 - Step 6: Final answer
x = 159,668.10
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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.