Finding the Fourth Proportional to 474,739.97, 655,141.11 and 259,880.18
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Solution
The fourth proportional to 474,739.97, 655,141.11 and 259,880.18 is: 358,634.62
Step by Step Solution
- Step 1: Write the proportion equation
474,739.97 : 655,141.11 = 259,880.18 : x - Step 2: Convert to fraction form
474,739.97/655,141.11 = 259,880.18/x - Step 3: Cross multiply
474,739.97x = 655,141.11 × 259,880.18 - Step 4: Simplify right side
474,739.97x = 170,258,189,592.20 - Step 5: Solve for x
x = 170,258,189,592.20/474,739.97 - Step 6: Final answer
x = 358,634.62
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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.