Finding the Fourth Proportional to 197,352.75, 272,353.28 and 107,928.75
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Solution
The fourth proportional to 197,352.75, 272,353.28 and 107,928.75 is: 148,945.22
Step by Step Solution
- Step 1: Write the proportion equation
197,352.75 : 272,353.28 = 107,928.75 : x - Step 2: Convert to fraction form
197,352.75/272,353.28 = 107,928.75/x - Step 3: Cross multiply
197,352.75x = 272,353.28 × 107,928.75 - Step 4: Simplify right side
197,352.75x = 29,394,748,529.16 - Step 5: Solve for x
x = 29,394,748,529.16/197,352.75 - Step 6: Final answer
x = 148,945.22
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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.