Finding the Fourth Proportional to 264,101.88, 396,190.48 and 86,622.78
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Solution
The fourth proportional to 264,101.88, 396,190.48 and 86,622.78 is: 129,946.52
Step by Step Solution
- Step 1: Write the proportion equation
264,101.88 : 396,190.48 = 86,622.78 : x - Step 2: Convert to fraction form
264,101.88/396,190.48 = 86,622.78/x - Step 3: Cross multiply
264,101.88x = 396,190.48 × 86,622.78 - Step 4: Simplify right side
264,101.88x = 34,319,120,787.13 - Step 5: Solve for x
x = 34,319,120,787.13/264,101.88 - Step 6: Final answer
x = 129,946.52
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.