Finding the Fourth Proportional to 207,765.14, 311,924.19 and 109,338.26
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Solution
The fourth proportional to 207,765.14, 311,924.19 and 109,338.26 is: 164,152.89
Step by Step Solution
- Step 1: Write the proportion equation
207,765.14 : 311,924.19 = 109,338.26 : x - Step 2: Convert to fraction form
207,765.14/311,924.19 = 109,338.26/x - Step 3: Cross multiply
207,765.14x = 311,924.19 × 109,338.26 - Step 4: Simplify right side
207,765.14x = 34,105,248,186.51 - Step 5: Solve for x
x = 34,105,248,186.51/207,765.14 - Step 6: Final answer
x = 164,152.89
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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.