Finding the Fourth Proportional to 352,285.84, 486,139.08 and 201,392.56
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Solution
The fourth proportional to 352,285.84, 486,139.08 and 201,392.56 is: 277,912.94
Step by Step Solution
- Step 1: Write the proportion equation
352,285.84 : 486,139.08 = 201,392.56 : x - Step 2: Convert to fraction form
352,285.84/486,139.08 = 201,392.56/x - Step 3: Cross multiply
352,285.84x = 486,139.08 × 201,392.56 - Step 4: Simplify right side
352,285.84x = 97,904,793,837.24 - Step 5: Solve for x
x = 97,904,793,837.24/352,285.84 - Step 6: Final answer
x = 277,912.94
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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.