Finding the Fourth Proportional to 73,698.75, 110,548.85 and 18,294.75
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Solution
The fourth proportional to 73,698.75, 110,548.85 and 18,294.75 is: 27,442.30
Step by Step Solution
- Step 1: Write the proportion equation
73,698.75 : 110,548.85 = 18,294.75 : x - Step 2: Convert to fraction form
73,698.75/110,548.85 = 18,294.75/x - Step 3: Cross multiply
73,698.75x = 110,548.85 × 18,294.75 - Step 4: Simplify right side
73,698.75x = 2,022,463,482.06 - Step 5: Solve for x
x = 2,022,463,482.06/73,698.75 - Step 6: Final answer
x = 27,442.30
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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.