Finding the Fourth Proportional to 393,163.92, 589,741.02 and 277,281.18
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Solution
The fourth proportional to 393,163.92, 589,741.02 and 277,281.18 is: 415,918.34
Step by Step Solution
- Step 1: Write the proportion equation
393,163.92 : 589,741.02 = 277,281.18 : x - Step 2: Convert to fraction form
393,163.92/589,741.02 = 277,281.18/x - Step 3: Cross multiply
393,163.92x = 589,741.02 × 277,281.18 - Step 4: Simplify right side
393,163.92x = 163,524,085,920.00 - Step 5: Solve for x
x = 163,524,085,920.00/393,163.92 - Step 6: Final answer
x = 415,918.34
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.