Finding the Fourth Proportional to 293,842.74, 440,739.60 and 208,099.08
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Solution
The fourth proportional to 293,842.74, 440,739.60 and 208,099.08 is: 312,131.26
Step by Step Solution
- Step 1: Write the proportion equation
293,842.74 : 440,739.60 = 208,099.08 : x - Step 2: Convert to fraction form
293,842.74/440,739.60 = 208,099.08/x - Step 3: Cross multiply
293,842.74x = 440,739.60 × 208,099.08 - Step 4: Simplify right side
293,842.74x = 91,717,505,279.57 - Step 5: Solve for x
x = 91,717,505,279.57/293,842.74 - Step 6: Final answer
x = 312,131.26
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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.