Finding the Fourth Proportional to 188,848.10, 283,168.62 and 74,880.49
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Solution
The fourth proportional to 188,848.10, 283,168.62 and 74,880.49 is: 112,279.68
Step by Step Solution
- Step 1: Write the proportion equation
188,848.10 : 283,168.62 = 74,880.49 : x - Step 2: Convert to fraction form
188,848.10/283,168.62 = 74,880.49/x - Step 3: Cross multiply
188,848.10x = 283,168.62 × 74,880.49 - Step 4: Simplify right side
188,848.10x = 21,203,805,018.22 - Step 5: Solve for x
x = 21,203,805,018.22/188,848.10 - Step 6: Final answer
x = 112,279.68
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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.