Finding the Fourth Proportional to 474,795.48, 655,217.91 and 259,949.19
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Solution
The fourth proportional to 474,795.48, 655,217.91 and 259,949.19 is: 358,729.96
Step by Step Solution
- Step 1: Write the proportion equation
474,795.48 : 655,217.91 = 259,949.19 : x - Step 2: Convert to fraction form
474,795.48/655,217.91 = 259,949.19/x - Step 3: Cross multiply
474,795.48x = 655,217.91 × 259,949.19 - Step 4: Simplify right side
474,795.48x = 170,323,364,977.99 - Step 5: Solve for x
x = 170,323,364,977.99/474,795.48 - Step 6: Final answer
x = 358,729.96
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1.5x scale
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.