Finding the Fourth Proportional to 263,335.05, 394,909.12 and 94,810.10
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Solution
The fourth proportional to 263,335.05, 394,909.12 and 94,810.10 is: 142,181.50
Step by Step Solution
- Step 1: Write the proportion equation
263,335.05 : 394,909.12 = 94,810.10 : x - Step 2: Convert to fraction form
263,335.05/394,909.12 = 94,810.10/x - Step 3: Cross multiply
263,335.05x = 394,909.12 × 94,810.10 - Step 4: Simplify right side
263,335.05x = 37,441,371,302.08 - Step 5: Solve for x
x = 37,441,371,302.08/263,335.05 - Step 6: Final answer
x = 142,181.50
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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.