Finding the Fourth Proportional to 303,431.30, 455,095.92 and 111,265.99
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Solution
The fourth proportional to 303,431.30, 455,095.92 and 111,265.99 is: 166,880.27
Step by Step Solution
- Step 1: Write the proportion equation
303,431.30 : 455,095.92 = 111,265.99 : x - Step 2: Convert to fraction form
303,431.30/455,095.92 = 111,265.99/x - Step 3: Cross multiply
303,431.30x = 455,095.92 × 111,265.99 - Step 4: Simplify right side
303,431.30x = 50,636,698,083.76 - Step 5: Solve for x
x = 50,636,698,083.76/303,431.30 - Step 6: Final answer
x = 166,880.27
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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.