Finding the Fourth Proportional to 197,112.08, 272,014.92 and 107,688.08
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Solution
The fourth proportional to 197,112.08, 272,014.92 and 107,688.08 is: 148,609.69
Step by Step Solution
- Step 1: Write the proportion equation
197,112.08 : 272,014.92 = 107,688.08 : x - Step 2: Convert to fraction form
197,112.08/272,014.92 = 107,688.08/x - Step 3: Cross multiply
197,112.08x = 272,014.92 × 107,688.08 - Step 4: Simplify right side
197,112.08x = 29,292,764,466.15 - Step 5: Solve for x
x = 29,292,764,466.15/197,112.08 - Step 6: Final answer
x = 148,609.69
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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.