Finding the Fourth Proportional to 223,910.06, 309,389.33 and 178,958.99
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Solution
The fourth proportional to 223,910.06, 309,389.33 and 178,958.99 is: 247,277.88
Step by Step Solution
- Step 1: Write the proportion equation
223,910.06 : 309,389.33 = 178,958.99 : x - Step 2: Convert to fraction form
223,910.06/309,389.33 = 178,958.99/x - Step 3: Cross multiply
223,910.06x = 309,389.33 × 178,958.99 - Step 4: Simplify right side
223,910.06x = 55,368,003,234.45 - Step 5: Solve for x
x = 55,368,003,234.45/223,910.06 - Step 6: Final answer
x = 247,277.88
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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.