Finding the Fourth Proportional to 167,149.92, 250,713.12 and 78,422.88
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Solution
The fourth proportional to 167,149.92, 250,713.12 and 78,422.88 is: 117,628.80
Step by Step Solution
- Step 1: Write the proportion equation
167,149.92 : 250,713.12 = 78,422.88 : x - Step 2: Convert to fraction form
167,149.92/250,713.12 = 78,422.88/x - Step 3: Cross multiply
167,149.92x = 250,713.12 × 78,422.88 - Step 4: Simplify right side
167,149.92x = 19,661,644,924.19 - Step 5: Solve for x
x = 19,661,644,924.19/167,149.92 - Step 6: Final answer
x = 117,628.80
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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.