Finding the Fourth Proportional to 196,253.24, 270,864.81 and 115,676.06
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Solution
The fourth proportional to 196,253.24, 270,864.81 and 115,676.06 is: 159,653.79
Step by Step Solution
- Step 1: Write the proportion equation
196,253.24 : 270,864.81 = 115,676.06 : x - Step 2: Convert to fraction form
196,253.24/270,864.81 = 115,676.06/x - Step 3: Cross multiply
196,253.24x = 270,864.81 × 115,676.06 - Step 4: Simplify right side
196,253.24x = 31,332,572,659.12 - Step 5: Solve for x
x = 31,332,572,659.12/196,253.24 - Step 6: Final answer
x = 159,653.79
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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.