Finding the Fourth Proportional to 290,866.02, 436,295.76 and 113,497.62
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Solution
The fourth proportional to 290,866.02, 436,295.76 and 113,497.62 is: 170,245.15
Step by Step Solution
- Step 1: Write the proportion equation
290,866.02 : 436,295.76 = 113,497.62 : x - Step 2: Convert to fraction form
290,866.02/436,295.76 = 113,497.62/x - Step 3: Cross multiply
290,866.02x = 436,295.76 × 113,497.62 - Step 4: Simplify right side
290,866.02x = 49,518,530,376.09 - Step 5: Solve for x
x = 49,518,530,376.09/290,866.02 - Step 6: Final answer
x = 170,245.15
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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.