Finding the Fourth Proportional to 270,739.13, 406,108.69 and 73,747.13
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Solution
The fourth proportional to 270,739.13, 406,108.69 and 73,747.13 is: 110,620.69
Step by Step Solution
- Step 1: Write the proportion equation
270,739.13 : 406,108.69 = 73,747.13 : x - Step 2: Convert to fraction form
270,739.13/406,108.69 = 73,747.13/x - Step 3: Cross multiply
270,739.13x = 406,108.69 × 73,747.13 - Step 4: Simplify right side
270,739.13x = 29,949,348,140.65 - Step 5: Solve for x
x = 29,949,348,140.65/270,739.13 - Step 6: Final answer
x = 110,620.69
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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.