Finding the Fourth Proportional to 449,138.19, 619,751.88 and 267,871.41
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Solution
The fourth proportional to 449,138.19, 619,751.88 and 267,871.41 is: 369,627.46
Step by Step Solution
- Step 1: Write the proportion equation
449,138.19 : 619,751.88 = 267,871.41 : x - Step 2: Convert to fraction form
449,138.19/619,751.88 = 267,871.41/x - Step 3: Cross multiply
449,138.19x = 619,751.88 × 267,871.41 - Step 4: Simplify right side
449,138.19x = 166,013,809,945.75 - Step 5: Solve for x
x = 166,013,809,945.75/449,138.19 - Step 6: Final answer
x = 369,627.46
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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.