Finding the Fourth Proportional to 197,905.62, 273,109.08 and 107,263.80
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Solution
The fourth proportional to 197,905.62, 273,109.08 and 107,263.80 is: 148,023.68
Step by Step Solution
- Step 1: Write the proportion equation
197,905.62 : 273,109.08 = 107,263.80 : x - Step 2: Convert to fraction form
197,905.62/273,109.08 = 107,263.80/x - Step 3: Cross multiply
197,905.62x = 273,109.08 × 107,263.80 - Step 4: Simplify right side
197,905.62x = 29,294,717,735.30 - Step 5: Solve for x
x = 29,294,717,735.30/197,905.62 - Step 6: Final answer
x = 148,023.68
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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.