Finding the Fourth Proportional to 263,401.94, 395,115.63 and 85,908.62
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Solution
The fourth proportional to 263,401.94, 395,115.63 and 85,908.62 is: 128,867.08
Step by Step Solution
- Step 1: Write the proportion equation
263,401.94 : 395,115.63 = 85,908.62 : x - Step 2: Convert to fraction form
263,401.94/395,115.63 = 85,908.62/x - Step 3: Cross multiply
263,401.94x = 395,115.63 × 85,908.62 - Step 4: Simplify right side
263,401.94x = 33,943,838,513.73 - Step 5: Solve for x
x = 33,943,838,513.73/263,401.94 - Step 6: Final answer
x = 128,867.08
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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.