Finding the Fourth Proportional to 754,768.28, 1,132,163.94 and 193,790.36
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Solution
The fourth proportional to 754,768.28, 1,132,163.94 and 193,790.36 is: 290,688.50
Step by Step Solution
- Step 1: Write the proportion equation
754,768.28 : 1,132,163.94 = 193,790.36 : x - Step 2: Convert to fraction form
754,768.28/1,132,163.94 = 193,790.36/x - Step 3: Cross multiply
754,768.28x = 1,132,163.94 × 193,790.36 - Step 4: Simplify right side
754,768.28x = 219,402,457,511.62 - Step 5: Solve for x
x = 219,402,457,511.62/754,768.28 - Step 6: Final answer
x = 290,688.50
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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.