Finding the Fourth Proportional to 140,282.67, 193,584.49 and 79,027.44
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Solution
The fourth proportional to 140,282.67, 193,584.49 and 79,027.44 is: 109,054.72
Step by Step Solution
- Step 1: Write the proportion equation
140,282.67 : 193,584.49 = 79,027.44 : x - Step 2: Convert to fraction form
140,282.67/193,584.49 = 79,027.44/x - Step 3: Cross multiply
140,282.67x = 193,584.49 × 79,027.44 - Step 4: Simplify right side
140,282.67x = 15,298,486,668.41 - Step 5: Solve for x
x = 15,298,486,668.41/140,282.67 - Step 6: Final answer
x = 109,054.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.