Finding the Fourth Proportional to 420,551.18, 580,568.91 and 267,741.26
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Solution
The fourth proportional to 420,551.18, 580,568.91 and 267,741.26 is: 369,615.54
Step by Step Solution
- Step 1: Write the proportion equation
420,551.18 : 580,568.91 = 267,741.26 : x - Step 2: Convert to fraction form
420,551.18/580,568.91 = 267,741.26/x - Step 3: Cross multiply
420,551.18x = 580,568.91 × 267,741.26 - Step 4: Simplify right side
420,551.18x = 155,442,251,480.23 - Step 5: Solve for x
x = 155,442,251,480.23/420,551.18 - Step 6: Final answer
x = 369,615.54
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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.