Finding the Fourth Proportional to 265,618.85, 398,424.22 and 65,940.99
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Solution
The fourth proportional to 265,618.85, 398,424.22 and 65,940.99 is: 98,910.47
Step by Step Solution
- Step 1: Write the proportion equation
265,618.85 : 398,424.22 = 65,940.99 : x - Step 2: Convert to fraction form
265,618.85/398,424.22 = 65,940.99/x - Step 3: Cross multiply
265,618.85x = 398,424.22 × 65,940.99 - Step 4: Simplify right side
265,618.85x = 26,272,485,847.83 - Step 5: Solve for x
x = 26,272,485,847.83/265,618.85 - Step 6: Final answer
x = 98,910.47
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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.