Finding the Fourth Proportional to 197,890.24, 273,087.84 and 107,248.43
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Solution
The fourth proportional to 197,890.24, 273,087.84 and 107,248.43 is: 148,002.46
Step by Step Solution
- Step 1: Write the proportion equation
197,890.24 : 273,087.84 = 107,248.43 : x - Step 2: Convert to fraction form
197,890.24/273,087.84 = 107,248.43/x - Step 3: Cross multiply
197,890.24x = 273,087.84 × 107,248.43 - Step 4: Simplify right side
197,890.24x = 29,288,242,258.11 - Step 5: Solve for x
x = 29,288,242,258.11/197,890.24 - Step 6: Final answer
x = 148,002.46
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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.