Finding the Fourth Proportional to 353,057.53, 487,454.00 and 271,240.07
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Solution
The fourth proportional to 353,057.53, 487,454.00 and 271,240.07 is: 374,491.53
Step by Step Solution
- Step 1: Write the proportion equation
353,057.53 : 487,454.00 = 271,240.07 : x - Step 2: Convert to fraction form
353,057.53/487,454.00 = 271,240.07/x - Step 3: Cross multiply
353,057.53x = 487,454.00 × 271,240.07 - Step 4: Simplify right side
353,057.53x = 132,217,056,236.59 - Step 5: Solve for x
x = 132,217,056,236.59/353,057.53 - Step 6: Final answer
x = 374,491.53
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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.