Finding the Fourth Proportional to 220,768.09, 331,201.50 and 80,526.71
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Solution
The fourth proportional to 220,768.09, 331,201.50 and 80,526.71 is: 120,808.08
Step by Step Solution
- Step 1: Write the proportion equation
220,768.09 : 331,201.50 = 80,526.71 : x - Step 2: Convert to fraction form
220,768.09/331,201.50 = 80,526.71/x - Step 3: Cross multiply
220,768.09x = 331,201.50 × 80,526.71 - Step 4: Simplify right side
220,768.09x = 26,670,567,970.07 - Step 5: Solve for x
x = 26,670,567,970.07/220,768.09 - Step 6: Final answer
x = 120,808.08
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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.