Finding the Fourth Proportional to 198,319.24, 273,679.04 and 107,673.42
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Solution
The fourth proportional to 198,319.24, 273,679.04 and 107,673.42 is: 148,588.50
Step by Step Solution
- Step 1: Write the proportion equation
198,319.24 : 273,679.04 = 107,673.42 : x - Step 2: Convert to fraction form
198,319.24/273,679.04 = 107,673.42/x - Step 3: Cross multiply
198,319.24x = 273,679.04 × 107,673.42 - Step 4: Simplify right side
198,319.24x = 29,467,958,219.12 - Step 5: Solve for x
x = 29,467,958,219.12/198,319.24 - Step 6: Final answer
x = 148,588.50
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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.