Finding the Fourth Proportional to 147,261, 220,891.50 and 36,453
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Solution
The fourth proportional to 147,261, 220,891.50 and 36,453 is: 54,679.50
Step by Step Solution
- Step 1: Write the proportion equation
147,261 : 220,891.50 = 36,453 : x - Step 2: Convert to fraction form
147,261/220,891.50 = 36,453/x - Step 3: Cross multiply
147,261x = 220,891.50 × 36,453 - Step 4: Simplify right side
147,261x = 8,052,157,849.50 - Step 5: Solve for x
x = 8,052,157,849.50/147,261 - Step 6: Final answer
x = 54,679.50
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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.