Finding the Fourth Proportional to 197,143.80, 295,748.10 and 84,877.80
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Solution
The fourth proportional to 197,143.80, 295,748.10 and 84,877.80 is: 127,330.65
Step by Step Solution
- Step 1: Write the proportion equation
197,143.80 : 295,748.10 = 84,877.80 : x - Step 2: Convert to fraction form
197,143.80/295,748.10 = 84,877.80/x - Step 3: Cross multiply
197,143.80x = 295,748.10 × 84,877.80 - Step 4: Simplify right side
197,143.80x = 25,102,448,082.18 - Step 5: Solve for x
x = 25,102,448,082.18/197,143.80 - Step 6: Final answer
x = 127,330.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.