Finding the Fourth Proportional to 272,455.18, 408,685.08 and 94,961.90
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Solution
The fourth proportional to 272,455.18, 408,685.08 and 94,961.90 is: 142,443.66
Step by Step Solution
- Step 1: Write the proportion equation
272,455.18 : 408,685.08 = 94,961.90 : x - Step 2: Convert to fraction form
272,455.18/408,685.08 = 94,961.90/x - Step 3: Cross multiply
272,455.18x = 408,685.08 × 94,961.90 - Step 4: Simplify right side
272,455.18x = 38,809,511,698.45 - Step 5: Solve for x
x = 38,809,511,698.45/272,455.18 - Step 6: Final answer
x = 142,443.66
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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.