Finding the Fourth Proportional to 245,435.80, 367,635.30 and 203,963.80
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Solution
The fourth proportional to 245,435.80, 367,635.30 and 203,963.80 is: 305,514.90
Step by Step Solution
- Step 1: Write the proportion equation
245,435.80 : 367,635.30 = 203,963.80 : x - Step 2: Convert to fraction form
245,435.80/367,635.30 = 203,963.80/x - Step 3: Cross multiply
245,435.80x = 367,635.30 × 203,963.80 - Step 4: Simplify right side
245,435.80x = 74,984,292,802.14 - Step 5: Solve for x
x = 74,984,292,802.14/245,435.80 - Step 6: Final answer
x = 305,514.90
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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.