Finding the Fourth Proportional to 192,770.20, 266,022.84 and 107,887.26
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Solution
The fourth proportional to 192,770.20, 266,022.84 and 107,887.26 is: 148,884.40
Step by Step Solution
- Step 1: Write the proportion equation
192,770.20 : 266,022.84 = 107,887.26 : x - Step 2: Convert to fraction form
192,770.20/266,022.84 = 107,887.26/x - Step 3: Cross multiply
192,770.20x = 266,022.84 × 107,887.26 - Step 4: Simplify right side
192,770.20x = 28,700,475,970.08 - Step 5: Solve for x
x = 28,700,475,970.08/192,770.20 - Step 6: Final answer
x = 148,884.40
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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.