Finding the Fourth Proportional to 198,094.02, 273,368.14 and 107,449.75
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Solution
The fourth proportional to 198,094.02, 273,368.14 and 107,449.75 is: 148,279.78
Step by Step Solution
- Step 1: Write the proportion equation
198,094.02 : 273,368.14 = 107,449.75 : x - Step 2: Convert to fraction form
198,094.02/273,368.14 = 107,449.75/x - Step 3: Cross multiply
198,094.02x = 273,368.14 × 107,449.75 - Step 4: Simplify right side
198,094.02x = 29,373,338,300.97 - Step 5: Solve for x
x = 29,373,338,300.97/198,094.02 - Step 6: Final answer
x = 148,279.78
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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.