Finding the Fourth Proportional to 197,758.24, 272,904.72 and 107,112.08
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Solution
The fourth proportional to 197,758.24, 272,904.72 and 107,112.08 is: 147,813.78
Step by Step Solution
- Step 1: Write the proportion equation
197,758.24 : 272,904.72 = 107,112.08 : x - Step 2: Convert to fraction form
197,758.24/272,904.72 = 107,112.08/x - Step 3: Cross multiply
197,758.24x = 272,904.72 × 107,112.08 - Step 4: Simplify right side
197,758.24x = 29,231,392,201.02 - Step 5: Solve for x
x = 29,231,392,201.02/197,758.24 - Step 6: Final answer
x = 147,813.78
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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.