Finding the Fourth Proportional to 122,575.26, 183,815.28 and 47,685.48
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Solution
The fourth proportional to 122,575.26, 183,815.28 and 47,685.48 is: 71,509.70
Step by Step Solution
- Step 1: Write the proportion equation
122,575.26 : 183,815.28 = 47,685.48 : x - Step 2: Convert to fraction form
122,575.26/183,815.28 = 47,685.48/x - Step 3: Cross multiply
122,575.26x = 183,815.28 × 47,685.48 - Step 4: Simplify right side
122,575.26x = 8,765,319,858.13 - Step 5: Solve for x
x = 8,765,319,858.13/122,575.26 - Step 6: Final answer
x = 71,509.70
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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.