Finding the Fourth Proportional to 292,183.48, 438,340.90 and 92,515.80
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Solution
The fourth proportional to 292,183.48, 438,340.90 and 92,515.80 is: 138,794.50
Step by Step Solution
- Step 1: Write the proportion equation
292,183.48 : 438,340.90 = 92,515.80 : x - Step 2: Convert to fraction form
292,183.48/438,340.90 = 92,515.80/x - Step 3: Cross multiply
292,183.48x = 438,340.90 × 92,515.80 - Step 4: Simplify right side
292,183.48x = 40,553,459,036.22 - Step 5: Solve for x
x = 40,553,459,036.22/292,183.48 - Step 6: Final answer
x = 138,794.50
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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.