Finding the Fourth Proportional to 474,813.53, 655,240.92 and 270,864.09
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Solution
The fourth proportional to 474,813.53, 655,240.92 and 270,864.09 is: 373,791.45
Step by Step Solution
- Step 1: Write the proportion equation
474,813.53 : 655,240.92 = 270,864.09 : x - Step 2: Convert to fraction form
474,813.53/655,240.92 = 270,864.09/x - Step 3: Cross multiply
474,813.53x = 655,240.92 × 270,864.09 - Step 4: Simplify right side
474,813.53x = 177,481,235,526.56 - Step 5: Solve for x
x = 177,481,235,526.56/474,813.53 - Step 6: Final answer
x = 373,791.45
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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.