Finding the Fourth Proportional to 265,519.74, 398,353.42 and 115,773.12
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Solution
The fourth proportional to 265,519.74, 398,353.42 and 115,773.12 is: 173,691.86
Step by Step Solution
- Step 1: Write the proportion equation
265,519.74 : 398,353.42 = 115,773.12 : x - Step 2: Convert to fraction form
265,519.74/398,353.42 = 115,773.12/x - Step 3: Cross multiply
265,519.74x = 398,353.42 × 115,773.12 - Step 4: Simplify right side
265,519.74x = 46,118,618,296.07 - Step 5: Solve for x
x = 46,118,618,296.07/265,519.74 - Step 6: Final answer
x = 173,691.86
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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.