Finding the Fourth Proportional to 265,940.80, 398,911.20 and 202,955.20
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Solution
The fourth proportional to 265,940.80, 398,911.20 and 202,955.20 is: 304,432.80
Step by Step Solution
- Step 1: Write the proportion equation
265,940.80 : 398,911.20 = 202,955.20 : x - Step 2: Convert to fraction form
265,940.80/398,911.20 = 202,955.20/x - Step 3: Cross multiply
265,940.80x = 398,911.20 × 202,955.20 - Step 4: Simplify right side
265,940.80x = 80,961,102,378.24 - Step 5: Solve for x
x = 80,961,102,378.24/265,940.80 - Step 6: Final answer
x = 304,432.80
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1.5x scale
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.