Finding the Fourth Proportional to 174,338.28, 261,507.42 and 121,850.28
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Solution
The fourth proportional to 174,338.28, 261,507.42 and 121,850.28 is: 182,775.42
Step by Step Solution
- Step 1: Write the proportion equation
174,338.28 : 261,507.42 = 121,850.28 : x - Step 2: Convert to fraction form
174,338.28/261,507.42 = 121,850.28/x - Step 3: Cross multiply
174,338.28x = 261,507.42 × 121,850.28 - Step 4: Simplify right side
174,338.28x = 31,864,752,349.08 - Step 5: Solve for x
x = 31,864,752,349.08/174,338.28 - Step 6: Final answer
x = 182,775.42
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1.5x scale
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.