Finding the Fourth Proportional to 293,720.97, 440,778.30 and 188,613.75
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Solution
The fourth proportional to 293,720.97, 440,778.30 and 188,613.75 is: 283,047.03
Step by Step Solution
- Step 1: Write the proportion equation
293,720.97 : 440,778.30 = 188,613.75 : x - Step 2: Convert to fraction form
293,720.97/440,778.30 = 188,613.75/x - Step 3: Cross multiply
293,720.97x = 440,778.30 × 188,613.75 - Step 4: Simplify right side
293,720.97x = 83,136,848,081.63 - Step 5: Solve for x
x = 83,136,848,081.63/293,720.97 - Step 6: Final answer
x = 283,047.03
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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.