Finding the Fourth Proportional to 213,405.15, 294,560.48 and 140,861.00
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Solution
The fourth proportional to 213,405.15, 294,560.48 and 140,861.00 is: 194,428.68
Step by Step Solution
- Step 1: Write the proportion equation
213,405.15 : 294,560.48 = 140,861.00 : x - Step 2: Convert to fraction form
213,405.15/294,560.48 = 140,861.00/x - Step 3: Cross multiply
213,405.15x = 294,560.48 × 140,861.00 - Step 4: Simplify right side
213,405.15x = 41,492,081,964.37 - Step 5: Solve for x
x = 41,492,081,964.37/213,405.15 - Step 6: Final answer
x = 194,428.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.