Finding the Fourth Proportional to 313,698.73, 432,906.99 and 170,458.78
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Solution
The fourth proportional to 313,698.73, 432,906.99 and 170,458.78 is: 235,234.61
Step by Step Solution
- Step 1: Write the proportion equation
313,698.73 : 432,906.99 = 170,458.78 : x - Step 2: Convert to fraction form
313,698.73/432,906.99 = 170,458.78/x - Step 3: Cross multiply
313,698.73x = 432,906.99 × 170,458.78 - Step 4: Simplify right side
313,698.73x = 73,792,797,368.87 - Step 5: Solve for x
x = 73,792,797,368.87/313,698.73 - Step 6: Final answer
x = 235,234.61
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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.