Finding the Fourth Proportional to 208,964.04, 313,445.28 and 75,844.08
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Solution
The fourth proportional to 208,964.04, 313,445.28 and 75,844.08 is: 113,765.84
Step by Step Solution
- Step 1: Write the proportion equation
208,964.04 : 313,445.28 = 75,844.08 : x - Step 2: Convert to fraction form
208,964.04/313,445.28 = 75,844.08/x - Step 3: Cross multiply
208,964.04x = 313,445.28 × 75,844.08 - Step 4: Simplify right side
208,964.04x = 23,772,968,891.94 - Step 5: Solve for x
x = 23,772,968,891.94/208,964.04 - Step 6: Final answer
x = 113,765.84
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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.