Finding the Fourth Proportional to 198,214.44, 273,544.20 and 113,331.48
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Solution
The fourth proportional to 198,214.44, 273,544.20 and 113,331.48 is: 156,402.17
Step by Step Solution
- Step 1: Write the proportion equation
198,214.44 : 273,544.20 = 113,331.48 : x - Step 2: Convert to fraction form
198,214.44/273,544.20 = 113,331.48/x - Step 3: Cross multiply
198,214.44x = 273,544.20 × 113,331.48 - Step 4: Simplify right side
198,214.44x = 31,001,169,031.42 - Step 5: Solve for x
x = 31,001,169,031.42/198,214.44 - Step 6: Final answer
x = 156,402.17
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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.