Finding the Fourth Proportional to 292,329.26, 437,226.96 and 172,099.70
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Solution
The fourth proportional to 292,329.26, 437,226.96 and 172,099.70 is: 257,403.68
Step by Step Solution
- Step 1: Write the proportion equation
292,329.26 : 437,226.96 = 172,099.70 : x - Step 2: Convert to fraction form
292,329.26/437,226.96 = 172,099.70/x - Step 3: Cross multiply
292,329.26x = 437,226.96 × 172,099.70 - Step 4: Simplify right side
292,329.26x = 75,246,628,647.91 - Step 5: Solve for x
x = 75,246,628,647.91/292,329.26 - Step 6: Final answer
x = 257,403.68
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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.