Finding the Fourth Proportional to 197,352.38, 272,352.76 and 107,928.38
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Solution
The fourth proportional to 197,352.38, 272,352.76 and 107,928.38 is: 148,944.70
Step by Step Solution
- Step 1: Write the proportion equation
197,352.38 : 272,352.76 = 107,928.38 : x - Step 2: Convert to fraction form
197,352.38/272,352.76 = 107,928.38/x - Step 3: Cross multiply
197,352.38x = 272,352.76 × 107,928.38 - Step 4: Simplify right side
197,352.38x = 29,394,590,543.74 - Step 5: Solve for x
x = 29,394,590,543.74/197,352.38 - Step 6: Final answer
x = 148,944.70
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1.5x scale
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.