Finding the Fourth Proportional to 74,229.24, 111,342.30 and 18,069.65
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Solution
The fourth proportional to 74,229.24, 111,342.30 and 18,069.65 is: 27,104.09
Step by Step Solution
- Step 1: Write the proportion equation
74,229.24 : 111,342.30 = 18,069.65 : x - Step 2: Convert to fraction form
74,229.24/111,342.30 = 18,069.65/x - Step 3: Cross multiply
74,229.24x = 111,342.30 × 18,069.65 - Step 4: Simplify right side
74,229.24x = 2,011,916,184.26 - Step 5: Solve for x
x = 2,011,916,184.26/74,229.24 - Step 6: Final answer
x = 27,104.09
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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.