Finding the Fourth Proportional to 474,538.97, 654,863.84 and 259,679.05
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Solution
The fourth proportional to 474,538.97, 654,863.84 and 259,679.05 is: 358,357.12
Step by Step Solution
- Step 1: Write the proportion equation
474,538.97 : 654,863.84 = 259,679.05 : x - Step 2: Convert to fraction form
474,538.97/654,863.84 = 259,679.05/x - Step 3: Cross multiply
474,538.97x = 654,863.84 × 259,679.05 - Step 4: Simplify right side
474,538.97x = 170,054,419,850.55 - Step 5: Solve for x
x = 170,054,419,850.55/474,538.97 - Step 6: Final answer
x = 358,357.12
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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.