Finding the Fourth Proportional to 198,454.14, 273,865.62 and 107,809.38
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Solution
The fourth proportional to 198,454.14, 273,865.62 and 107,809.38 is: 148,776.35
Step by Step Solution
- Step 1: Write the proportion equation
198,454.14 : 273,865.62 = 107,809.38 : x - Step 2: Convert to fraction form
198,454.14/273,865.62 = 107,809.38/x - Step 3: Cross multiply
198,454.14x = 273,865.62 × 107,809.38 - Step 4: Simplify right side
198,454.14x = 29,525,281,606.57 - Step 5: Solve for x
x = 29,525,281,606.57/198,454.14 - Step 6: Final answer
x = 148,776.35
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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.