Finding the Fourth Proportional to 136,338.14, 204,437.99 and 102,292.70
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Solution
The fourth proportional to 136,338.14, 204,437.99 and 102,292.70 is: 153,387.11
Step by Step Solution
- Step 1: Write the proportion equation
136,338.14 : 204,437.99 = 102,292.70 : x - Step 2: Convert to fraction form
136,338.14/204,437.99 = 102,292.70/x - Step 3: Cross multiply
136,338.14x = 204,437.99 × 102,292.70 - Step 4: Simplify right side
136,338.14x = 20,912,512,446.02 - Step 5: Solve for x
x = 20,912,512,446.02/136,338.14 - Step 6: Final answer
x = 153,387.11
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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.